A020049 - OEIS

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A020049 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`2`
`6`		`12`
`7`		`73`
`8`		`518`
`9`		`4192`
`10`		`38083`
`11`		`384010`
`12`		`4256112`
`13`		`51428023`
`14`		`672849973`
`15`		`9475970454`
`16`		`142929221023`
`17`		`2298778304796`
`18`		`39270796040272`
`19`		`710146895061597`
`20`		`13551969914092152`
`21`		`272168729108017392`
`22`		`5738224038694033364`

[1,0,0,0,0,2,12,73,518,4192,38083,384010,4256112, 51428023,672849973,9475970454,142929221023, 2298778304796,39270796040272,710146895061597, 13551969914092152,272168729108017392, 5738224038694033364]

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Last modified May 11 00:12 EDT 2024. Contains 372388 sequences. (Running on oeis4.)