A355343 - OEIS

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A355343 as a triangular array

														2
													-1		2
												-1		-1		0
											-2		1		0		2
										-5		3		0		-1		0
									-14		9		0		5		0		0
								-42		28		0		13		0		0		2
							-132		90		0		39		0		0		-1		0
						-429		297		0		123		0		0		11		0		0
					-1430		1001		0		401		0		0		28		0		0		0
				-4862		3432		0		1340		0		0		89		0		0		0		2
			-16796		11934		0		4565		0		0		293		0		0		0		-1		0
		-58786		41990		0		15795		0		0		987		0		0		0		19		0		0
	-208012

A355343 as a square array

2	-1	-1	-2	-5	-14	-42	-132	-429	-1430	-4862	-16796	-58786	-208012
2	-1	1	3	9	28	90	297	1001	3432	11934	41990
0	0	0	0	0	0	0	0	0	0	0
2	-1	5	13	39	123	401	1340	4565	15795
0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0
2	-1	11	28	89	293	987
0	0	0	0	0	0
0	0	0	0	0
0	0	0	0
2	-1	19
0	0
0

A355343 as an upper right triangle

2	-1	-1	-2	-5	-14	-42	-132	-429	-1430	-4862	-16796	-58786	-208012
	2	-1	1	3	9	28	90	297	1001	3432	11934	41990
		0	0	0	0	0	0	0	0	0	0	0
			2	-1	5	13	39	123	401	1340	4565	15795
				0	0	0	0	0	0	0	0	0
					0	0	0	0	0	0	0	0
						2	-1	11	28	89	293	987
							0	0	0	0	0	0
								0	0	0	0	0
									0	0	0	0
										2	-1	19
											0	0
												0