A143239 - OEIS

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A143239 as a triangular array

														1
													2		-1
												3		0		-1
											4		-2		0		0
										5		0		0		0		-1
									6		-3		-2		0		0		1
								7		0		0		0		0		0		-1
							8		-4		0		0		0		0		0		0
						9		0		-3		0		0		0		0		0		0
					10		-5		0		0		-2		0		0		0		0		1
				11		0		0		0		0		0		0		0		0		0		-1
			12		-6		-4		0		0		2		0		0		0		0		0		0
		13		0		0		0		0		0		0		0		0		0		0		0		-1
	14		-7		0		0		0		0		-2		0		0		0		0		0		0		1

A143239 as a square array

1	2	3	4	5	6	7	8	9	10	11	12	13	14
-1	0	-2	0	-3	0	-4	0	-5	0	-6	0	-7
-1	0	0	-2	0	0	-3	0	0	-4	0	0
0	0	0	0	0	0	0	0	0	0	0
-1	0	0	0	0	-2	0	0	0	0
1	0	0	0	0	0	2	0	0
-1	0	0	0	0	0	0	-2
0	0	0	0	0	0	0
0	0	0	0	0	0
1	0	0	0	0
-1	0	0	0
0	0	0
-1	0
1

A143239 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11	12	13	14
	-1	0	-2	0	-3	0	-4	0	-5	0	-6	0	-7
		-1	0	0	-2	0	0	-3	0	0	-4	0	0
			0	0	0	0	0	0	0	0	0	0	0
				-1	0	0	0	0	-2	0	0	0	0
					1	0	0	0	0	0	2	0	0
						-1	0	0	0	0	0	0	-2
							0	0	0	0	0	0	0
								0	0	0	0	0	0
									1	0	0	0	0
										-1	0	0	0
											0	0	0
												-1	0
													1