A204431 - OEIS

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A204431 as a triangular array

														2
													1		1
												0		0		0
											2		2		2		2
										1		1		1		1		1
									0		0		0		0		0		0
								2		2		2		2		2		2		2
							1		1		1		1		1		1		1		1
						0		0		0		0		0		0		0		0		0
					2		2		2		2		2		2		2		2		2		2
				1		1		1		1		1		1		1		1		1		1		1
			0		0		0		0		0		0		0		0		0		0		0		0
		2		2		2		2		2		2		2		2		2		2		2		2		2
	1		1		1		1		1		1		1		1

A204431 as a square array

2	1	0	2	1	0	2	1	0	2	1	0	2	1
1	0	2	1	0	2	1	0	2	1	0	2	1
0	2	1	0	2	1	0	2	1	0	2	1
2	1	0	2	1	0	2	1	0	2	1
1	0	2	1	0	2	1	0	2	1
0	2	1	0	2	1	0	2	1
2	1	0	2	1	0	2	1
1	0	2	1	0	2	1
0	2	1	0	2
2	1	0	2
1	0	2
0	2
2

A204431 as an upper right triangle

2	1	0	2	1	0	2	1	0	2	1	0	2	1
	1	0	2	1	0	2	1	0	2	1	0	2	1
		0	2	1	0	2	1	0	2	1	0	2	1
			2	1	0	2	1	0	2	1	0	2	1
				1	0	2	1	0	2	1	0	2	1
					0	2	1	0	2	1	0	2	1
						2	1	0	2	1	0	2	1
							1	0	2	1	0	2	1
								0	2	1	0	2
									2	1	0	2
										1	0	2
											0	2
												2