A220972 - OEIS

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A220972 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`9`
`3`		`94`
`4`		`368`
`5`		`1455`
`6`		`6291`
`7`		`26299`
`8`		`110743`
`9`		`467422`
`10`		`1977507`
`11`		`8372888`
`12`		`35432404`
`13`		`149959535`
`14`		`634632918`
`15`		`2685509610`
`16`		`11363912297`
`17`		`48087370068`
`18`		`203484940864`
`19`		`861064491246`
`20`		`3643676534812`
`21`		`15418565689053`
`22`		`65245164744163`

[4,9,94,368,1455,6291,26299,110743,467422,1977507, 8372888,35432404,149959535,634632918,2685509610, 11363912297,48087370068,203484940864,861064491246, 3643676534812,15418565689053,65245164744163]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)