A247490 - OEIS

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A247490 as a triangular array

											0
										0		1
									0		1		0
								0		1		1		1
							0		1		2		3		2
						0		1		3		7		11		9
					0		1		4		13		32		53		44
				0		1		5		21		71		181		309		265
			0		1		6		31		134		465		1214		2119		1854
		0		1		7		43		227		1001		3539		9403		16687		14833
	0		1		8		57		356		1909		8544		30637		82508		148329		133496

A247490 as a square array

0	0	0	0	0	0	0	0	0	0	0
1	1	1	1	1	1	1	1	1	1
0	1	2	3	4	5	6	7	8
1	3	7	13	21	31	43	57
2	11	32	71	134	227	356
9	53	181	465	1001	1909
44	309	1214	3539	8544
265	2119	9403	30637
1854	16687	82508
14833	148329
133496

A247490 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0
	1	1	1	1	1	1	1	1	1	1
		0	1	2	3	4	5	6	7	8
			1	3	7	13	21	31	43	57
				2	11	32	71	134	227	356
					9	53	181	465	1001	1909
						44	309	1214	3539	8544
							265	2119	9403	30637
								1854	16687	82508
									14833	148329
										133496