A002639 - OEIS

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A002639 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`21`
`4`		`31`
`5`		`6257`
`6`		`10293`
`7`		`279025`
`8`		`483127`
`9`		`435506703`
`10`		`776957575`
`11`		`22417045555`
`12`		`40784671953`
`13`		`9569130097211`
`14`		`17652604545791`
`15`		`523910972020563`
`16`		`976501268709949`
`17`		`935823746406530603`
`18`		`1758220447807291611`

[0,1,1,21,31,6257,10293,279025,483127,435506703, 776957575,22417045555,40784671953,9569130097211, 17652604545791,523910972020563,976501268709949, 935823746406530603,1758220447807291611]

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Last modified April 24 07:54 EDT 2024. Contains 371922 sequences. (Running on oeis4.)