A277999 - OEIS

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A277999 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`1`
`7`		`9`
`8`		`53`
`9`		`261`
`10`		`1165`
`11`		`4887`
`12`		`19642`
`13`		`76519`
`14`		`291095`
`15`		`1086946`
`16`		`3998430`
`17`		`14530223`
`18`		`52272218`
`19`		`186467253`
`20`		`660449671`
`21`		`2325124444`
`22`		`8143334776`
`23`		`28393762841`
`24`		`98621419068`
`25`		`341403900888`
`26`		`1178425064256`
`27`		`4057244213071`
`28`		`13937739553781`
`29`		`47786215201214`
`30`		`163554669548711`

[0,0,0,0,0,1,9,53,261,1165,4887,19642,76519, 291095,1086946,3998430,14530223,52272218, 186467253,660449671,2325124444,8143334776, 28393762841,98621419068,341403900888, 1178425064256,4057244213071,13937739553781, 47786215201214,163554669548711]

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Last modified April 23 02:23 EDT 2024. Contains 371906 sequences. (Running on oeis4.)