A196680 - OEIS

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A196680 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`20`
`3`		`58`
`4`		`292`
`5`		`1235`
`6`		`5186`
`7`		`22461`
`8`		`96256`
`9`		`413032`
`10`		`1780597`
`11`		`7673860`
`12`		`33017186`
`13`		`142219489`
`14`		`612618957`
`15`		`2638803566`
`16`		`11367909928`
`17`		`48973948677`
`18`		`210982341958`
`19`		`908945163931`
`20`		`3915948771137`
`21`		`16870934284560`
`22`		`72684969189462`

[4,20,58,292,1235,5186,22461,96256,413032,1780597, 7673860,33017186,142219489,612618957,2638803566, 11367909928,48973948677,210982341958,908945163931, 3915948771137,16870934284560,72684969189462]

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Last modified May 7 12:11 EDT 2024. Contains 372303 sequences. (Running on oeis4.)