A046569 - OEIS

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A046569 as a triangular array

														1
													1		1
												1		4		1
											1		4		4		1
										1		4		2		4		1
									1		4		4		4		4		1
								1		4		1		2		1		4		1
							1		4		4		2		2		4		4		1
						1		4		2		4		1		4		2		4		1
					1		4		4		4		4		4		4		4		4		1
				1		4		1		1		1		2		1		1		1		4		1
			1		4		4		1		1		2		2		1		1		4		4		1
		1		4		2		4		1		2		1		2		1		4		2		4		1
	1		4		4		4		4		2		2		2		2		4		4		4		4		1

A046569 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1	1
1	4	4	4	4	4	4	4	4	4	4	4	4
1	4	2	4	1	4	2	4	1	4	2	4
1	4	4	2	2	4	4	1	1	4	4
1	4	1	2	1	4	1	1	1	4
1	4	4	4	4	2	2	2	2
1	4	2	4	1	2	1	2
1	4	4	1	1	2	2
1	4	1	1	1	2
1	4	4	4	4
1	4	2	4
1	4	4
1	4
1

A046569 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1	1
	1	4	4	4	4	4	4	4	4	4	4	4	4
		1	4	2	4	1	4	2	4	1	4	2	4
			1	4	4	2	2	4	4	1	1	4	4
				1	4	1	2	1	4	1	1	1	4
					1	4	4	4	4	2	2	2	2
						1	4	2	4	1	2	1	2
							1	4	4	1	1	2	2
								1	4	1	1	1	2
									1	4	4	4	4
										1	4	2	4
											1	4	4
												1	4
													1