A020019 - OEIS

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A020019 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`19`
`5`		`92`
`6`		`543`
`7`		`3741`
`8`		`29513`
`9`		`262341`
`10`		`2594262`
`11`		`28248627`
`12`		`335844793`
`13`		`4328666215`
`14`		`60120364101`
`15`		`895125421053`
`16`		`14222548356739`
`17`		`240203038913808`
`18`		`4296965473902563`
`19`		`81164903395937306`
`20`		`1614279745319197539`
`21`		`33720510235556570814`

[1,1,2,5,19,92,543,3741,29513,262341,2594262, 28248627,335844793,4328666215,60120364101, 895125421053,14222548356739,240203038913808, 4296965473902563,81164903395937306, 1614279745319197539,33720510235556570814]

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Last modified August 12 10:21 EDT 2024. Contains 375092 sequences. (Running on oeis4.)