A230730 - OEIS

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A230730 as a triangular array

0

0 0

0 0 0

0 0 0 0

0 2 0 0 0

0 8 30 0 0 0

0 30 260 396 0 0 0

0 120 2790 9760 6212 0 0 0

0 506 32094 287616 389148 95412 0 0 0

0 2144 376934 9059304 31533840 15237056 1459082 0 0 0

0 9030 4362078 292876646

A230730 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`0`	`0`	`2`	`8`	`30`	`120`	`506`	`2144`	`9030`
`0`	`0`	`0`	`30`	`260`	`2790`	`32094`	`376934`	`4362078`
`0`	`0`	`0`	`396`	`9760`	`287616`	`9059304`	`292876646`
`0`	`0`	`0`	`6212`	`389148`	`31533840`
`0`	`0`	`0`	`95412`	`15237056`
`0`	`0`	`0`	`1459082`
`0`	`0`	`0`
`0`	`0`
`0`

A230730 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`0`	`0`	`2`	`8`	`30`	`120`	`506`	`2144`	`9030`
		`0`	`0`	`0`	`30`	`260`	`2790`	`32094`	`376934`	`4362078`
			`0`	`0`	`0`	`396`	`9760`	`287616`	`9059304`	`292876646`
				`0`	`0`	`0`	`6212`	`389148`	`31533840`
					`0`	`0`	`0`	`95412`	`15237056`
						`0`	`0`	`0`	`1459082`
							`0`	`0`	`0`
								`0`	`0`
									`0`

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Last modified April 16 12:05 EDT 2024. Contains 371711 sequences. (Running on oeis4.)