A122843 - OEIS

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A122843 as a triangular array

1

2 1

7 4 1

32 21 6 1

180 130 41 8 1

1200 930 312 67 10 1

9240 7560 2646 602 99 12 1

80640 68880 24864 5880 1024 137 14 1

786240 695520 257040 62496 11304 1602 181 16 1

8467200 7711200 2903040 720720 133920 19710 2360 231 18 1

A122843 as a square array

`1`	`2`	`7`	`32`	`180`	`1200`	`9240`	`80640`	`786240`	`8467200`
`1`	`4`	`21`	`130`	`930`	`7560`	`68880`	`695520`	`7711200`
`1`	`6`	`41`	`312`	`2646`	`24864`	`257040`	`2903040`
`1`	`8`	`67`	`602`	`5880`	`62496`	`720720`
`1`	`10`	`99`	`1024`	`11304`	`133920`
`1`	`12`	`137`	`1602`	`19710`
`1`	`14`	`181`	`2360`
`1`	`16`	`231`
`1`	`18`
`1`

A122843 as an upper right triangle

`1`	`2`	`7`	`32`	`180`	`1200`	`9240`	`80640`	`786240`	`8467200`
	`1`	`4`	`21`	`130`	`930`	`7560`	`68880`	`695520`	`7711200`
		`1`	`6`	`41`	`312`	`2646`	`24864`	`257040`	`2903040`
			`1`	`8`	`67`	`602`	`5880`	`62496`	`720720`
				`1`	`10`	`99`	`1024`	`11304`	`133920`
					`1`	`12`	`137`	`1602`	`19710`
						`1`	`14`	`181`	`2360`
							`1`	`16`	`231`
								`1`	`18`
									`1`

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Last modified April 16 19:48 EDT 2024. Contains 371754 sequences. (Running on oeis4.)