A004790 - OEIS

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A004790 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`3`
`3`		`8`
`4`		`21`
`5`		`55`
`6`		`149`
`7`		`404`
`8`		`1097`
`9`		`2981`
`10`		`162755`
`11`		`1202605`
`12`		`3269018`
`13`		`8886111`
`14`		`24154953`
`15`		`178482301`
`16`		`9744803447`
`17`		`26489122130`
`18`		`195729609429`
`19`		`532048240602`
`20`		`1446257064292`
`21`		`3931334297145`
`22`		`10686474581525`
`23`		`29048849665248`
`24`		`78962960182681`
`25`		`583461742527455`
`26`		`1586013452313431`

[2,3,8,21,55,149,404,1097,2981,162755,1202605, 3269018,8886111,24154953,178482301,9744803447, 26489122130,195729609429,532048240602, 1446257064292,3931334297145,10686474581525, 29048849665248,78962960182681,583461742527455, 1586013452313431]

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Last modified May 21 07:02 EDT 2024. Contains 372729 sequences. (Running on oeis4.)