A002807 - OEIS

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A002807 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`7`
`5`		`37`
`6`		`197`
`7`		`1172`
`8`		`8018`
`9`		`62814`
`10`		`556014`
`11`		`5488059`
`12`		`59740609`
`13`		`710771275`
`14`		`9174170011`
`15`		`127661752406`
`16`		`1904975488436`
`17`		`30341995265036`
`18`		`513771331467372`
`19`		`9215499383109573`
`20`		`174548332364311563`
`21`		`3481204991988351553`
`22`		`72920994844093191553`
`23`		`1600596371590399671784`

[0,0,0,1,7,37,197,1172,8018,62814,556014,5488059, 59740609,710771275,9174170011,127661752406, 1904975488436,30341995265036,513771331467372, 9215499383109573,174548332364311563, 3481204991988351553,72920994844093191553, 1600596371590399671784]

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Last modified April 24 06:33 EDT 2024. Contains 371919 sequences. (Running on oeis4.)