A127248 - OEIS

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A127248 as a triangular array

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

A127248 as a square array

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

A127248 as an upper right triangle

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