A143256 - OEIS

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A143256 as a triangular array

														1
													1		-2
												1		0		-3
											1		-2		0		0
										1		0		0		0		-5
									1		-2		-3		0		0		6
								1		0		0		0		0		0		-7
							1		-2		0		0		0		0		0		0
						1		0		-3		0		0		0		0		0		0
					1		-2		0		0		-5		0		0		0		0		10
				1		0		0		0		0		0		0		0		0		0		-11
			1		-2		-3		0		0		6		0		0		0		0		0		0
		1		0		0		0		0		0		0		0		0		0		0		0		-13
	1		-2		0		0		0		0		-7		0		0		0		0		0		0		14

A143256 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1	1
-2	0	-2	0	-2	0	-2	0	-2	0	-2	0	-2
-3	0	0	-3	0	0	-3	0	0	-3	0	0
0	0	0	0	0	0	0	0	0	0	0
-5	0	0	0	0	-5	0	0	0	0
6	0	0	0	0	0	6	0	0
-7	0	0	0	0	0	0	-7
0	0	0	0	0	0	0
0	0	0	0	0	0
10	0	0	0	0
-11	0	0	0
0	0	0
-13	0
14

A143256 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1	1
	-2	0	-2	0	-2	0	-2	0	-2	0	-2	0	-2
		-3	0	0	-3	0	0	-3	0	0	-3	0	0
			0	0	0	0	0	0	0	0	0	0	0
				-5	0	0	0	0	-5	0	0	0	0
					6	0	0	0	0	0	6	0	0
						-7	0	0	0	0	0	0	-7
							0	0	0	0	0	0	0
								0	0	0	0	0	0
									10	0	0	0	0
										-11	0	0	0
											0	0	0
												-13	0
													14