A245405 - OEIS

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A245405 as a triangular array

1

1 1

1 0 2

1 1 2 6

1 1 2 3 24

1 1 4 9 40 120

1 1 4 24 76 205 720

1 1 4 27 208 825 2556 5040

1 1 4 27 252 2325 10206 24409 40320

1 1 4 27 256 3025 31956 143521 347712 362880

1 1 4 27 256 3120 44406 520723 2313200 4794633 3628800

A245405 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`0`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`2`	`2`	`4`	`4`	`4`	`4`	`4`	`4`
`6`	`3`	`9`	`24`	`27`	`27`	`27`	`27`
`24`	`40`	`76`	`208`	`252`	`256`	`256`
`120`	`205`	`825`	`2325`	`3025`	`3120`
`720`	`2556`	`10206`	`31956`	`44406`
`5040`	`24409`	`143521`	`520723`
`40320`	`347712`	`2313200`
`362880`	`4794633`
`3628800`

A245405 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`0`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
		`2`	`2`	`2`	`4`	`4`	`4`	`4`	`4`	`4`
			`6`	`3`	`9`	`24`	`27`	`27`	`27`	`27`
				`24`	`40`	`76`	`208`	`252`	`256`	`256`
					`120`	`205`	`825`	`2325`	`3025`	`3120`
						`720`	`2556`	`10206`	`31956`	`44406`
							`5040`	`24409`	`143521`	`520723`
								`40320`	`347712`	`2313200`
									`362880`	`4794633`
										`3628800`

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)