A126457 - OEIS

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A126457 as a triangular array

1

4 1

21 6 1

286 66 9 1

8855 1540 171 13 1

501942 66045 5984 378 18 1

45057474 4582116 341055 18424 741 24 1

5843355957 470155077 29034396 1353275 47905 1326 31 1

1029873432159 66983637864 3470108187 140364532

A126457 as a square array

`1`	`4`	`21`	`286`	`8855`	`501942`	`45057474`	`5843355957`	`1029873432159`
`1`	`6`	`66`	`1540`	`66045`	`4582116`	`470155077`	`66983637864`
`1`	`9`	`171`	`5984`	`341055`	`29034396`	`3470108187`
`1`	`13`	`378`	`18424`	`1353275`	`140364532`
`1`	`18`	`741`	`47905`
`1`	`24`	`1326`
`1`	`31`
`1`

A126457 as an upper right triangle

`1`	`4`	`21`	`286`	`8855`	`501942`	`45057474`	`5843355957`	`1029873432159`
	`1`	`6`	`66`	`1540`	`66045`	`4582116`	`470155077`	`66983637864`
		`1`	`9`	`171`	`5984`	`341055`	`29034396`	`3470108187`
			`1`	`13`	`378`	`18424`	`1353275`	`140364532`
				`1`	`18`	`741`	`47905`
					`1`	`24`	`1326`
						`1`	`31`
							`1`

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Last modified May 16 17:27 EDT 2024. Contains 372554 sequences. (Running on oeis4.)