A221500 - OEIS

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A221500 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`21`
`3`		`228`
`4`		`1733`
`5`		`14297`
`6`		`111042`
`7`		`874106`
`8`		`6765307`
`9`		`52691160`
`10`		`408808871`
`11`		`3171542725`
`12`		`24602720628`
`13`		`190809097139`
`14`		`1479787939455`
`15`		`11475910286377`
`16`		`88994984484326`
`17`		`690147796546982`
`18`		`5352001020952269`
`19`		`41503963539351397`
`20`		`321856665112343658`

[1,21,228,1733,14297,111042,874106,6765307, 52691160,408808871,3171542725,24602720628, 190809097139,1479787939455,11475910286377, 88994984484326,690147796546982,5352001020952269, 41503963539351397,321856665112343658]

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Last modified July 23 04:43 EDT 2024. Contains 374544 sequences. (Running on oeis4.)