A155091 - OEIS

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A155091 as a triangular array

													1
												-1		1
											0		-1		1
										0		-1		-1		1
									0		0		-1		-1		1
								0		0		-1		-1		-1		1
							0		0		0		-1		-1		-1		1
						0		0		0		-1		-1		-1		-1		1
					0		0		0		0		-1		-1		-1		-1		1
				0		0		0		0		-1		-1		-1		-1		-1		1
			0		0		0		0		0		-1		-1		-1		-1		-1		1
		0		0		0		0		0		-1		-1		-1		-1		-1		-1		1
	0		0		0		0		0		0		-1		-1

A155091 as a square array

1	-1	0	0	0	0	0	0	0	0	0	0	0
1	-1	-1	0	0	0	0	0	0	0	0	0
1	-1	-1	-1	0	0	0	0	0	0	0
1	-1	-1	-1	-1	0	0	0	0	0
1	-1	-1	-1	-1	-1	0	0	0
1	-1	-1	-1	-1	-1	-1	0
1	-1	-1	-1	-1	-1	-1
1	-1	-1	-1	-1	-1
1	-1	-1	-1
1	-1	-1
1	-1
1

A155091 as an upper right triangle

1	-1	0	0	0	0	0	0	0	0	0	0	0
	1	-1	-1	0	0	0	0	0	0	0	0	0
		1	-1	-1	-1	0	0	0	0	0	0	0
			1	-1	-1	-1	-1	0	0	0	0	0
				1	-1	-1	-1	-1	-1	0	0	0
					1	-1	-1	-1	-1	-1	-1	0
						1	-1	-1	-1	-1	-1	-1
							1	-1	-1	-1	-1	-1
								1	-1	-1	-1
									1	-1	-1
										1	-1
											1