A173556 - OEIS

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A173556 as a triangular array

														1
													2		4
												4		0		0
											6		4		0		4
										2		4		0		4		4
									4		0		0		0		0		0
								0		0		0		0		0		0		0
							2		4		0		4		4		0		0		4
						6		4		0		4		4		0		0		4		4
					4		0		0		0		0		0		0		0		0		0
				6		4		0		4		4		0		0		4		4		0		4
			4		0		0		0		0		0		0		0		0		0		0		0
		0		0		0		0		0		0		0		0		0		0		0		0		0
	2		4		0		4		4		0		0		4		4		0		4		0		0		4
6

A173556 as a square array

1	2	4	6	2	4	0	2	6	4	6	4	0	2	6
4	0	4	4	0	0	4	4	0	4	0	0	4
0	0	0	0	0	0	0	0	0	0	0	0
4	4	0	0	4	4	0	4	0	0	4
4	0	0	4	4	0	4	0	0	4
0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0
4	4	0	4	0	0	4
4	0	4	0	0	4
0	0	0	0	0
4	0	0	4
0	0	0
0	0
4

A173556 as an upper right triangle

1	2	4	6	2	4	0	2	6	4	6	4	0	2	6
	4	0	4	4	0	0	4	4	0	4	0	0	4
		0	0	0	0	0	0	0	0	0	0	0	0
			4	4	0	0	4	4	0	4	0	0	4
				4	0	0	4	4	0	4	0	0	4
					0	0	0	0	0	0	0	0	0
						0	0	0	0	0	0	0	0
							4	4	0	4	0	0	4
								4	0	4	0	0	4
									0	0	0	0	0
										4	0	0	4
											0	0	0
												0	0
													4

														1
													2		4
												4		0		0
											6		4		0		4
										2		4		0		4		4
									4		0		0		0		0		0
								0		0		0		0		0		0		0
							2		4		0		4		4		0		0		4
						6		4		0		4		4		0		0		4		4
					4		0		0		0		0		0		0		0		0		0
				6		4		0		4		4		0		0		4		4		0		4
			4		0		0		0		0		0		0		0		0		0		0		0
		0		0		0		0		0		0		0		0		0		0		0		0		0
	2		4		0		4		4		0		0		4		4		0		4		0		0		4
6

1	2	4	6	2	4	0	2	6	4	6	4	0	2	6
4	0	4	4	0	0	4	4	0	4	0	0	4
0	0	0	0	0	0	0	0	0	0	0	0
4	4	0	0	4	4	0	4	0	0	4
4	0	0	4	4	0	4	0	0	4
0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0
4	4	0	4	0	0	4
4	0	4	0	0	4
0	0	0	0	0
4	0	0	4
0	0	0
0	0
4

1	2	4	6	2	4	0	2	6	4	6	4	0	2	6
	4	0	4	4	0	0	4	4	0	4	0	0	4
		0	0	0	0	0	0	0	0	0	0	0	0
			4	4	0	0	4	4	0	4	0	0	4
				4	0	0	4	4	0	4	0	0	4
					0	0	0	0	0	0	0	0	0
						0	0	0	0	0	0	0	0
							4	4	0	4	0	0	4
								4	0	4	0	0	4
									0	0	0	0	0
										4	0	0	4
											0	0	0
												0	0
													4

														1
													2		4
												4		0		0
											6		4		0		4
										2		4		0		4		4
									4		0		0		0		0		0
								0		0		0		0		0		0		0
							2		4		0		4		4		0		0		4
						6		4		0		4		4		0		0		4		4
					4		0		0		0		0		0		0		0		0		0
				6		4		0		4		4		0		0		4		4		0		4
			4		0		0		0		0		0		0		0		0		0		0		0
		0		0		0		0		0		0		0		0		0		0		0		0		0
	2		4		0		4		4		0		0		4		4		0		4		0		0		4
6

1	2	4	6	2	4	0	2	6	4	6	4	0	2	6
4	0	4	4	0	0	4	4	0	4	0	0	4
0	0	0	0	0	0	0	0	0	0	0	0
4	4	0	0	4	4	0	4	0	0	4
4	0	0	4	4	0	4	0	0	4
0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0
4	4	0	4	0	0	4
4	0	4	0	0	4
0	0	0	0	0
4	0	0	4
0	0	0
0	0
4

1	2	4	6	2	4	0	2	6	4	6	4	0	2	6
	4	0	4	4	0	0	4	4	0	4	0	0	4
		0	0	0	0	0	0	0	0	0	0	0	0
			4	4	0	0	4	4	0	4	0	0	4
				4	0	0	4	4	0	4	0	0	4
					0	0	0	0	0	0	0	0	0
						0	0	0	0	0	0	0	0
							4	4	0	4	0	0	4
								4	0	4	0	0	4
									0	0	0	0	0
										4	0	0	4
											0	0	0
												0	0
													4

														1
													2		4
												4		0		0
											6		4		0		4
										2		4		0		4		4
									4		0		0		0		0		0
								0		0		0		0		0		0		0
							2		4		0		4		4		0		0		4
						6		4		0		4		4		0		0		4		4
					4		0		0		0		0		0		0		0		0		0
				6		4		0		4		4		0		0		4		4		0		4
			4		0		0		0		0		0		0		0		0		0		0		0
		0		0		0		0		0		0		0		0		0		0		0		0		0
	2		4		0		4		4		0		0		4		4		0		4		0		0		4
6

1	2	4	6	2	4	0	2	6	4	6	4	0	2	6
4	0	4	4	0	0	4	4	0	4	0	0	4
0	0	0	0	0	0	0	0	0	0	0	0
4	4	0	0	4	4	0	4	0	0	4
4	0	0	4	4	0	4	0	0	4
0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0
4	4	0	4	0	0	4
4	0	4	0	0	4
0	0	0	0	0
4	0	0	4
0	0	0
0	0
4

1	2	4	6	2	4	0	2	6	4	6	4	0	2	6
	4	0	4	4	0	0	4	4	0	4	0	0	4
		0	0	0	0	0	0	0	0	0	0	0	0
			4	4	0	0	4	4	0	4	0	0	4
				4	0	0	4	4	0	4	0	0	4
					0	0	0	0	0	0	0	0	0
						0	0	0	0	0	0	0	0
							4	4	0	4	0	0	4
								4	0	4	0	0	4
									0	0	0	0	0
										4	0	0	4
											0	0	0
												0	0
													4