A031972 - OEIS

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A031972 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`6`
`3`		`39`
`4`		`340`
`5`		`3905`
`6`		`55986`
`7`		`960799`
`8`		`19173960`
`9`		`435848049`
`10`		`11111111110`
`11`		`313842837671`
`12`		`9726655034460`
`13`		`328114698808273`
`14`		`11966776581370170`
`15`		`469172025408063615`
`16`		`19676527011956855056`
`17`		`878942778254232811937`
`18`		`41660902667961039785742`
`19`		`2088331858752553232964199`

[0,1,6,39,340,3905,55986,960799,19173960, 435848049,11111111110,313842837671,9726655034460, 328114698808273,11966776581370170, 469172025408063615,19676527011956855056, 878942778254232811937,41660902667961039785742, 2088331858752553232964199]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)