A155897 - OEIS

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A155897 as a triangular array

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

A155897 as a square array

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

A155897 as an upper right triangle

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