A020119 - OEIS

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A020119 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`18`
`5`		`86`
`6`		`500`
`7`		`3423`
`8`		`26889`
`9`		`238158`
`10`		`2347554`
`11`		`25487721`
`12`		`302211543`
`13`		`3885576979`
`14`		`53842995268`
`15`		`799953072549`
`16`		`12684970150411`
`17`		`213832353964067`
`18`		`3818434892215474`
`19`		`72004772253206073`
`20`		`1429809049027949160`

[1,1,2,5,18,86,500,3423,26889,238158,2347554, 25487721,302211543,3885576979,53842995268, 799953072549,12684970150411,213832353964067, 3818434892215474,72004772253206073, 1429809049027949160]

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