A124895 - OEIS

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A124895 as a triangular array

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

A124895 as a square array

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

A124895 as an upper right triangle

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