A255915 - OEIS

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A255915 as a triangular array

1

1 1

1 63 1

1 728 728 1

1 4032 46592 4032 1

1 15624 999936 999936 15624 1

1 45864 11374272 62995968 11374272 45864 1

1 117648 85647744 1838132352 1838132352 85647744 117648 1

1 258048 481886208 30358831104 117640470528

A255915 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`63`	`728`	`4032`	`15624`	`45864`	`117648`	`258048`
`1`	`728`	`46592`	`999936`	`11374272`	`85647744`	`481886208`
`1`	`4032`	`999936`	`62995968`	`1838132352`	`30358831104`
`1`	`15624`	`11374272`	`1838132352`	`117640470528`
`1`	`45864`	`85647744`
`1`	`117648`
`1`

A255915 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`63`	`728`	`4032`	`15624`	`45864`	`117648`	`258048`
		`1`	`728`	`46592`	`999936`	`11374272`	`85647744`	`481886208`
			`1`	`4032`	`999936`	`62995968`	`1838132352`	`30358831104`
				`1`	`15624`	`11374272`	`1838132352`	`117640470528`
					`1`	`45864`	`85647744`
						`1`	`117648`
							`1`

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Last modified May 17 19:53 EDT 2024. Contains 372607 sequences. (Running on oeis4.)