A219886 - OEIS

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A219886 as a simple table

`n`		`a(n)`
`1`		`21`
`2`		`87`
`3`		`410`
`4`		`2645`
`5`		`14536`
`6`		`74998`
`7`		`371384`
`8`		`1780796`
`9`		`8327951`
`10`		`37770000`
`11`		`165587776`
`12`		`701557921`
`13`		`2877746302`
`14`		`11458190975`
`15`		`44395384830`
`16`		`167697083241`
`17`		`618401792448`
`18`		`2228478398270`
`19`		`7854147511367`

[21,87,410,2645,14536,74998,371384,1780796, 8327951,37770000,165587776,701557921,2877746302, 11458190975,44395384830,167697083241,618401792448, 2228478398270,7854147511367]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)