A057212 - OEIS

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A057212 as a triangular array

														0
													1		1
												0		0		0
											1		1		1		1
										0		0		0		0		0
									1		1		1		1		1		1
								0		0		0		0		0		0		0
							1		1		1		1		1		1		1		1
						0		0		0		0		0		0		0		0		0
					1		1		1		1		1		1		1		1		1		1
				0		0		0		0		0		0		0		0		0		0		0
			1		1		1		1		1		1		1		1		1		1		1		1
		0		0		0		0		0		0		0		0		0		0		0		0		0
	1		1		1		1		1		1		1		1		1		1		1		1		1		1

A057212 as a square array

0	1	0	1	0	1	0	1	0	1	0	1	0	1
1	0	1	0	1	0	1	0	1	0	1	0	1
0	1	0	1	0	1	0	1	0	1	0	1
1	0	1	0	1	0	1	0	1	0	1
0	1	0	1	0	1	0	1	0	1
1	0	1	0	1	0	1	0	1
0	1	0	1	0	1	0	1
1	0	1	0	1	0	1
0	1	0	1	0	1
1	0	1	0	1
0	1	0	1
1	0	1
0	1
1

A057212 as an upper right triangle

0	1	0	1	0	1	0	1	0	1	0	1	0	1
	1	0	1	0	1	0	1	0	1	0	1	0	1
		0	1	0	1	0	1	0	1	0	1	0	1
			1	0	1	0	1	0	1	0	1	0	1
				0	1	0	1	0	1	0	1	0	1
					1	0	1	0	1	0	1	0	1
						0	1	0	1	0	1	0	1
							1	0	1	0	1	0	1
								0	1	0	1	0	1
									1	0	1	0	1
										0	1	0	1
											1	0	1
												0	1
													1