A007855 - OEIS

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A007855 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`13`
`4`		`63`
`5`		`326`
`6`		`1769`
`7`		`9964`
`8`		`57843`
`9`		`344203`
`10`		`2090470`
`11`		`12912988`
`12`		`80899801`
`13`		`512896540`
`14`		`3284651548`
`15`		`21217493460`
`16`		`138080484819`
`17`		`904454380446`
`18`		`5958186674879`
`19`		`39448465279220`
`20`		`262359379484522`
`21`		`1751912981641794`
`22`		`11741044418866476`

[1,3,13,63,326,1769,9964,57843,344203,2090470, 12912988,80899801,512896540,3284651548, 21217493460,138080484819,904454380446, 5958186674879,39448465279220,262359379484522, 1751912981641794,11741044418866476]

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Last modified August 9 13:12 EDT 2024. Contains 375042 sequences. (Running on oeis4.)