A007469 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A007469 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`5`
`6`		`16`
`7`		`66`
`8`		`343`
`9`		`2167`
`10`		`16193`
`11`		`140919`
`12`		`1414947`
`13`		`16258868`
`14`		`211935996`
`15`		`3105828560`
`16`		`50748310068`
`17`		`918138961643`
`18`		`18287966027343`
`19`		`399145502051200`
`20`		`9505803743367971`
`21`		`246064556796896554`
`22`		`6897674469134480653`
`23`		`208651954748397405264`
`24`		`6788671409470892058148`

[1,1,1,2,5,16,66,343,2167,16193,140919,1414947, 16258868,211935996,3105828560,50748310068, 918138961643,18287966027343,399145502051200, 9505803743367971,246064556796896554, 6897674469134480653,208651954748397405264, 6788671409470892058148]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 19:24 EDT 2024. Contains 371962 sequences. (Running on oeis4.)