A330776 - OEIS

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A330776 as a triangular array

1

1 1

2 6 4

6 37 63 32

20 262 870 1064 436

90 2217 12633 27824 26330 9012

468 21882 201654 710712 1163320 895608 262760

2910 249852 3578610 18924846 47608000 61786254 40042128 10270696

20644 3245520 70539124 538018360 1950556400 3792461176 4070160416 2275829088 518277560

A330776 as a square array

`1`	`1`	`2`	`6`	`20`	`90`	`468`	`2910`	`20644`
`1`	`6`	`37`	`262`	`2217`	`21882`	`249852`	`3245520`
`4`	`63`	`870`	`12633`	`201654`	`3578610`	`70539124`
`32`	`1064`	`27824`	`710712`	`18924846`	`538018360`
`436`	`26330`	`1163320`	`47608000`	`1950556400`
`9012`	`895608`	`61786254`	`3792461176`
`262760`	`40042128`	`4070160416`
`10270696`	`2275829088`
`518277560`

A330776 as an upper right triangle

`1`	`1`	`2`	`6`	`20`	`90`	`468`	`2910`	`20644`
	`1`	`6`	`37`	`262`	`2217`	`21882`	`249852`	`3245520`
		`4`	`63`	`870`	`12633`	`201654`	`3578610`	`70539124`
			`32`	`1064`	`27824`	`710712`	`18924846`	`538018360`
				`436`	`26330`	`1163320`	`47608000`	`1950556400`
					`9012`	`895608`	`61786254`	`3792461176`
						`262760`	`40042128`	`4070160416`
							`10270696`	`2275829088`
								`518277560`

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Last modified August 15 07:32 EDT 2024. Contains 375173 sequences. (Running on oeis4.)