A191716 - OEIS

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A191716 as a triangular array

												1
											0		2
										3		0		3
									0		19		0		5
								40		0		73		0		7
							0		492		0		217		0		11
						1260		0		3225		0		540		0		15
					0		24096		0		14968		0		1234		0		22
				72576		0		232156		0		55594		0		2524		0		30
			0		1922148		0		1524823		0		176800		0		4987		0		42
		6652800		0		24999984		0		7758160		0		496680		0		9120		0		56
	0		227963280		0		216975032		0		32769481		0		1277331		0		16399		0		77

A191716 as a square array

1	0	3	0	40	0	1260	0	72576	0	6652800	0
2	0	19	0	492	0	24096	0	1922148	0	227963280
3	0	73	0	3225	0	232156	0	24999984	0
5	0	217	0	14968	0	1524823	0	216975032
7	0	540	0	55594	0	7758160	0
11	0	1234	0	176800	0	32769481
15	0	2524	0	496680	0
22	0	4987	0	1277331
30	0	9120	0
42	0	16399
56	0
77

A191716 as an upper right triangle

1	0	3	0	40	0	1260	0	72576	0	6652800	0
	2	0	19	0	492	0	24096	0	1922148	0	227963280
		3	0	73	0	3225	0	232156	0	24999984	0
			5	0	217	0	14968	0	1524823	0	216975032
				7	0	540	0	55594	0	7758160	0
					11	0	1234	0	176800	0	32769481
						15	0	2524	0	496680	0
							22	0	4987	0	1277331
								30	0	9120	0
									42	0	16399
										56	0
											77