A319730 - OEIS

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A319730 as a triangular array

										1
									0		1
								0		3		2
							0		6		11		3
						0		13		48		33		5
					0		24		165		212		75		7
				0		48		573		1253		798		172		11
			0		86		1759		6114		6175		2284		326		15
		0		160		5473		29573		45040		25697		6198		631		22
	0		282		16051		131488		289685		238516		86189		14519		1102		30

A319730 as a square array

1	0	0	0	0	0	0	0	0	0
1	3	6	13	24	48	86	160	282
2	11	48	165	573	1759	5473	16051
3	33	212	1253	6114	29573	131488
5	75	798	6175	45040	289685
7	172	2284	25697	238516
11	326	6198	86189
15	631	14519
22	1102
30

A319730 as an upper right triangle

1	0	0	0	0	0	0	0	0	0
	1	3	6	13	24	48	86	160	282
		2	11	48	165	573	1759	5473	16051
			3	33	212	1253	6114	29573	131488
				5	75	798	6175	45040	289685
					7	172	2284	25697	238516
						11	326	6198	86189
							15	631	14519
								22	1102
									30