A320751 - OEIS

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A320751 as a triangular array

0

0 0

0 0 0

0 0 1 0

0 0 1 2 0

0 0 1 4 6 0

0 0 1 4 16 12 0

0 0 1 4 20 52 28 0

0 0 1 4 20 80 169 56 0

0 0 1 4 20 86 336 520 120 0

0 0 1 4 20 86 400 1344 1600 240 0

0 0 1 4 20 86 409 1852 5440 4840 496 0

A320751 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`2`	`4`	`4`	`4`	`4`	`4`	`4`	`4`
`0`	`6`	`16`	`20`	`20`	`20`	`20`	`20`
`0`	`12`	`52`	`80`	`86`	`86`	`86`
`0`	`28`	`169`	`336`	`400`	`409`
`0`	`56`	`520`	`1344`	`1852`
`0`	`120`	`1600`	`5440`
`0`	`240`	`4840`
`0`	`496`
`0`

A320751 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`0`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
			`0`	`2`	`4`	`4`	`4`	`4`	`4`	`4`	`4`
				`0`	`6`	`16`	`20`	`20`	`20`	`20`	`20`
					`0`	`12`	`52`	`80`	`86`	`86`	`86`
						`0`	`28`	`169`	`336`	`400`	`409`
							`0`	`56`	`520`	`1344`	`1852`
								`0`	`120`	`1600`	`5440`
									`0`	`240`	`4840`
										`0`	`496`
											`0`

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)