A251635 - OEIS

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A251635 as a triangular array

													1
												-2		1
											0		-2		1
										0		0		-2		1
									0		0		0		-2		1
								0		0		0		0		-2		1
							0		0		0		0		0		-2		1
						0		0		0		0		0		0		-2		1
					0		0		0		0		0		0		0		-2		1
				0		0		0		0		0		0		0		0		-2		1
			0		0		0		0		0		0		0		0		0		-2		1
		0		0		0		0		0		0		0		0		0		0		-2		1
	0		0		0		0		0

A251635 as a square array

1	-2	0	0	0	0	0	0	0	0	0	0	0
1	-2	0	0	0	0	0	0	0	0	0	0
1	-2	0	0	0	0	0	0	0	0	0
1	-2	0	0	0	0	0	0	0	0
1	-2	0	0	0	0	0	0	0
1	-2	0	0	0	0	0
1	-2	0	0	0	0
1	-2	0	0	0
1	-2	0	0
1	-2	0
1	-2
1

A251635 as an upper right triangle

1	-2	0	0	0	0	0	0	0	0	0	0	0
	1	-2	0	0	0	0	0	0	0	0	0	0
		1	-2	0	0	0	0	0	0	0	0	0
			1	-2	0	0	0	0	0	0	0	0
				1	-2	0	0	0	0	0	0	0
					1	-2	0	0	0	0	0
						1	-2	0	0	0	0
							1	-2	0	0	0
								1	-2	0	0
									1	-2	0
										1	-2
											1