A277667 - OEIS

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A277667 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`13`
`3`		`42`
`4`		`136`
`5`		`440`
`6`		`1423`
`7`		`4602`
`8`		`14883`
`9`		`48132`
`10`		`155660`
`11`		`503408`
`12`		`1628033`
`13`		`5265096`
`14`		`17027441`
`15`		`55067134`
`16`		`178088372`
`17`		`575941872`
`18`		`1862609199`
`19`		`6023720790`
`20`		`19480850935`
`21`		`63001517896`
`22`		`203748351160`
`23`		`658926832032`
`24`		`2130984459505`
`25`		`6891652526348`
`26`		`22287762039781`

[1,4,13,42,136,440,1423,4602,14883,48132,155660, 503408,1628033,5265096,17027441,55067134, 178088372,575941872,1862609199,6023720790, 19480850935,63001517896,203748351160,658926832032, 2130984459505,6891652526348,22287762039781]

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Last modified April 23 11:20 EDT 2024. Contains 371912 sequences. (Running on oeis4.)