A135929 - OEIS

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A135929 as a triangular array

													1
												1		0
											1		0		2
										1		0		1		0
									1		0		0		0		-2
								1		0		-1		0		-3		0
							1		0		-2		0		-3		0		2
						1		0		-3		0		-2		0		5		0
					1		0		-4		0		0		0		8		0		-2
				1		0		-5		0		3		0		10		0		-7		0
			1		0		-6		0		7		0		10		0		-15		0		2
		1		0		-7		0		12		0		7		0		-25		0		9		0
	1		0		-8		0		18		0		0		0		-35		0		24		0		-2

A135929 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1
0	0	0	0	0	0	0	0	0	0	0	0
2	1	0	-1	-2	-3	-4	-5	-6	-7	-8
0	0	0	0	0	0	0	0	0	0
-2	-3	-3	-2	0	3	7	12	18
0	0	0	0	0	0	0	0
2	5	8	10	10	7	0
0	0	0	0	0	0
-2	-7	-15	-25	-35
0	0	0	0
2	9	24
0	0
-2

A135929 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1
	0	0	0	0	0	0	0	0	0	0	0	0
		2	1	0	-1	-2	-3	-4	-5	-6	-7	-8
			0	0	0	0	0	0	0	0	0	0
				-2	-3	-3	-2	0	3	7	12	18
					0	0	0	0	0	0	0	0
						2	5	8	10	10	7	0
							0	0	0	0	0	0
								-2	-7	-15	-25	-35
									0	0	0	0
										2	9	24
											0	0
												-2