A305986 - OEIS

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A305986 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`21`
`4`		`144`
`5`		`1205`
`6`		`11908`
`7`		`135597`
`8`		`1745488`
`9`		`25045821`
`10`		`396249564`
`11`		`6850289765`
`12`		`128438323720`
`13`		`2595394603269`
`14`		`56224162108468`
`15`		`1299717221807229`
`16`		`31931915643021504`
`17`		`830816659779428525`
`18`		`22820190255069409804`
`19`		`659845945466402034165`
`20`		`20034230527927369097848`
`21`		`637252918691725377815349`

[1,1,4,21,144,1205,11908,135597,1745488,25045821, 396249564,6850289765,128438323720,2595394603269, 56224162108468,1299717221807229,31931915643021504, 830816659779428525,22820190255069409804, 659845945466402034165,20034230527927369097848, 637252918691725377815349]

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Last modified May 27 08:37 EDT 2024. Contains 372850 sequences. (Running on oeis4.)