A153299 - OEIS

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A153299 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`20`
`4`		`111`
`5`		`657`
`6`		`4067`
`7`		`26028`
`8`		`170913`
`9`		`1145446`
`10`		`7804797`
`11`		`53911104`
`12`		`376669462`
`13`		`2657391772`
`14`		`18904566514`
`15`		`135460704648`
`16`		`976795422828`
`17`		`7082951967141`
`18`		`51614974500605`
`19`		`377798933519164`
`20`		`2776363089297553`
`21`		`20476554379564305`

[1,1,4,20,111,657,4067,26028,170913,1145446, 7804797,53911104,376669462,2657391772,18904566514, 135460704648,976795422828,7082951967141, 51614974500605,377798933519164,2776363089297553, 20476554379564305]

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Last modified May 8 00:02 EDT 2024. Contains 372317 sequences. (Running on oeis4.)