A165680 - OEIS

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A165680 as a triangular array

1

1 1

1 1 1

1 1 1 2

1 1 1 2 6

1 1 1 2 6 24

1 1 1 2 6 24 120

1 1 1 2 6 24 120 720

1 1 1 2 6 24 120 720 5040

1 1 1 2 6 24 120 720 5040 40320

1 1 1 2 6 24 120 720 5040 40320 362880

A165680 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
`6`	`6`	`6`	`6`	`6`	`6`	`6`
`24`	`24`	`24`	`24`	`24`	`24`
`120`	`120`	`120`	`120`	`120`
`720`	`720`	`720`	`720`
`5040`	`5040`	`5040`
`40320`	`40320`
`362880`

A165680 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
		`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
			`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
				`6`	`6`	`6`	`6`	`6`	`6`	`6`
					`24`	`24`	`24`	`24`	`24`	`24`
						`120`	`120`	`120`	`120`	`120`
							`720`	`720`	`720`	`720`
								`5040`	`5040`	`5040`
									`40320`	`40320`
										`362880`

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)