A181656 - OEIS

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A181656 as a triangular array

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

A181656 as a square array

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

A181656 as an upper right triangle

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