A274912 - OEIS

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A274912 as a triangular array

														0
													1		2
												0		3		0
											1		2		1		2
										0		3		0		3		0
									1		2		1		2		1		2
								0		3		0		3		0		3		0
							1		2		1		2		1		2		1		2
						0		3		0		3		0		3		0		3		0
					1		2		1		2		1		2		1		2		1		2
				0		3		0		3		0		3		0		3		0		3		0
			1		2		1		2		1		2		1		2		1		2		1		2
		0		3		0		3		0		3		0		3		0		3		0		3		0
	1		2		1		2		1		2		1		2		1		2		1		2		1		2

A274912 as a square array

0	1	0	1	0	1	0	1	0	1	0	1	0	1
2	3	2	3	2	3	2	3	2	3	2	3	2
0	1	0	1	0	1	0	1	0	1	0	1
2	3	2	3	2	3	2	3	2	3	2
0	1	0	1	0	1	0	1	0	1
2	3	2	3	2	3	2	3	2
0	1	0	1	0	1	0	1
2	3	2	3	2	3	2
0	1	0	1	0	1
2	3	2	3	2
0	1	0	1
2	3	2
0	1
2

A274912 as an upper right triangle

0	1	0	1	0	1	0	1	0	1	0	1	0	1
	2	3	2	3	2	3	2	3	2	3	2	3	2
		0	1	0	1	0	1	0	1	0	1	0	1
			2	3	2	3	2	3	2	3	2	3	2
				0	1	0	1	0	1	0	1	0	1
					2	3	2	3	2	3	2	3	2
						0	1	0	1	0	1	0	1
							2	3	2	3	2	3	2
								0	1	0	1	0	1
									2	3	2	3	2
										0	1	0	1
											2	3	2
												0	1
													2