A306800 - OEIS

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A306800 as a triangular array

1

1 0

1 1 0

1 1 2 0

1 1 4 6 0

1 1 4 24 24 0

1 1 4 27 204 120 0

1 1 4 27 252 2220 720 0

1 1 4 27 256 3020 29520 5040 0

1 1 4 27 256 3120 44220 463680 40320 0

1 1 4 27 256 3125 46470 765030 8401680 362880 0

A306800 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`2`	`4`	`4`	`4`	`4`	`4`	`4`	`4`
`0`	`6`	`24`	`27`	`27`	`27`	`27`	`27`
`0`	`24`	`204`	`252`	`256`	`256`	`256`
`0`	`120`	`2220`	`3020`	`3120`	`3125`
`0`	`720`	`29520`	`44220`	`46470`
`0`	`5040`	`463680`	`765030`
`0`	`40320`	`8401680`
`0`	`362880`
`0`

A306800 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
		`0`	`2`	`4`	`4`	`4`	`4`	`4`	`4`	`4`
			`0`	`6`	`24`	`27`	`27`	`27`	`27`	`27`
				`0`	`24`	`204`	`252`	`256`	`256`	`256`
					`0`	`120`	`2220`	`3020`	`3120`	`3125`
						`0`	`720`	`29520`	`44220`	`46470`
							`0`	`5040`	`463680`	`765030`
								`0`	`40320`	`8401680`
									`0`	`362880`
										`0`

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)