A238419 - OEIS

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A238419 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`4`
`3`		`16`
`4`		`54`
`5`		`176`
`6`		`548`
`7`		`1667`
`8`		`4968`
`9`		`14592`
`10`		`42348`
`11`		`121728`
`12`		`347112`
`13`		`983173`
`14`		`2768812`
`15`		`7758928`
`16`		`21648546`
`17`		`60172784`
`18`		`166687436`
`19`		`460356359`
`20`		`1267964496`
`21`		`3483818880`
`22`		`9550754520`
`23`		`26129950080`
`24`		`71356349520`
`25`		`194529354505`
`26`		`529485228244`
`27`		`1439096616976`
`28`		`3906061968654`
`29`		`10588691040176`
`30`		`28670559059444`

[0,1,4,16,54,176,548,1667,4968,14592,42348,121728, 347112,983173,2768812,7758928,21648546,60172784, 166687436,460356359,1267964496,3483818880, 9550754520,26129950080,71356349520,194529354505, 529485228244,1439096616976,3906061968654, 10588691040176,28670559059444]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)