A258829 - OEIS

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A258829 as a triangular array

											1
										0		1
									0		1		1
								0		2		2		1
							0		5		11		3		1
						0		16		38		28		4		1
					0		61		263		130		62		5		1
				0		272		1260		1263		340		129		6		1
			0		1385		10871		8090		4734		819		261		7		1
		0		7936		66576		88101		33855		16066		1890		522		8		1
	0		50521		694599		724189		495371		127538		52022		4260		1040		9		1

A258829 as a square array

1	0	0	0	0	0	0	0	0	0	0
1	1	2	5	16	61	272	1385	7936	50521
1	2	11	38	263	1260	10871	66576	694599
1	3	28	130	1263	8090	88101	724189
1	4	62	340	4734	33855	495371
1	5	129	819	16066	127538
1	6	261	1890	52022
1	7	522	4260
1	8	1040
1	9
1

A258829 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0
	1	1	2	5	16	61	272	1385	7936	50521
		1	2	11	38	263	1260	10871	66576	694599
			1	3	28	130	1263	8090	88101	724189
				1	4	62	340	4734	33855	495371
					1	5	129	819	16066	127538
						1	6	261	1890	52022
							1	7	522	4260
								1	8	1040
									1	9
										1