A262494 - OEIS

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A262494 as a triangular array

1

1 1

1 4 1

1 13 8 2

1 41 49 23 6

1 131 276 198 90 24

1 428 1509 1556 982 444 120

1 1429 8184 11812 9678 5856 2640 720

1 4861 44473 88566 91959 68820 40800 18360 5040

1 16795 243334 662732 863296 775134 555828 325200 146160 40320

A262494 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`4`	`13`	`41`	`131`	`428`	`1429`	`4861`	`16795`
`1`	`8`	`49`	`276`	`1509`	`8184`	`44473`	`243334`
`2`	`23`	`198`	`1556`	`11812`	`88566`	`662732`
`6`	`90`	`982`	`9678`	`91959`	`863296`
`24`	`444`	`5856`	`68820`	`775134`
`120`	`2640`	`40800`	`555828`
`720`	`18360`	`325200`
`5040`	`146160`
`40320`

A262494 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`4`	`13`	`41`	`131`	`428`	`1429`	`4861`	`16795`
		`1`	`8`	`49`	`276`	`1509`	`8184`	`44473`	`243334`
			`2`	`23`	`198`	`1556`	`11812`	`88566`	`662732`
				`6`	`90`	`982`	`9678`	`91959`	`863296`
					`24`	`444`	`5856`	`68820`	`775134`
						`120`	`2640`	`40800`	`555828`
							`720`	`18360`	`325200`
								`5040`	`146160`
									`40320`

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Last modified August 19 15:59 EDT 2024. Contains 375310 sequences. (Running on oeis4.)