A001781 - OEIS

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A001781 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`9`
`2`		`46`
`3`		`174`
`4`		`541`
`5`		`1461`
`6`		`3544`
`7`		`7896`
`8`		`16414`
`9`		`32206`
`10`		`60172`
`11`		`107788`
`12`		`186142`
`13`		`311278`
`14`		`505912`
`15`		`801592`
`16`		`1241383`
`17`		`1883167`
`18`		`2803658`
`19`		`4103242`
`20`		`5911763`
`21`		`8395387`
`22`		`11764688`
`23`		`16284112`
`24`		`22282988`
`25`		`30168268`
`26`		`40439192`

[1,9,46,174,541,1461,3544,7896,16414,32206,60172, 107788,186142,311278,505912,801592,1241383, 1883167,2803658,4103242,5911763,8395387,11764688, 16284112,22282988,30168268,40439192]

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Last modified April 23 13:51 EDT 2024. Contains 371914 sequences. (Running on oeis4.)