A117446 - OEIS

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A117446 as a triangular array

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

A117446 as a square array

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

A117446 as an upper right triangle

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