A135589 - OEIS

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A135589 as a triangular array

												1
											0		1
										0		0		2
									0		0		2		4
								0		0		1		9		10
							0		0		0		12		36		26
						0		0		0		10		76		140		76
					0		0		0		6		116		420		540		232
				0		0		0		3		138		915		2160		2142		764
			0		0		0		1		136		1605		6230		10766		8624		2620
		0		0		0		0		116		2372		14436		39130		53312		35856		9496
	0		0		0		0

A135589 as a square array

1	0	0	0	0	0	0	0	0	0	0	0
1	0	0	0	0	0	0	0	0	0	0
2	2	1	0	0	0	0	0	0	0
4	9	12	10	6	3	1	0	0
10	36	76	116	138	136	116
26	140	420	915	1605	2372
76	540	2160	6230	14436
232	2142	10766	39130
764	8624	53312
2620	35856
9496

A135589 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0	0
	1	0	0	0	0	0	0	0	0	0	0
		2	2	1	0	0	0	0	0	0	0
			4	9	12	10	6	3	1	0	0
				10	36	76	116	138	136	116
					26	140	420	915	1605	2372
						76	540	2160	6230	14436
							232	2142	10766	39130
								764	8624	53312
									2620	35856
										9496