A208167 - OEIS

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

A208167 as a simple table

`n`		`a(n)`
`1`		`21`
`2`		`441`
`3`		`2491`
`4`		`13825`
`5`		`63031`
`6`		`297702`
`7`		`1474641`
`8`		`7151473`
`9`		`34264481`
`10`		`166182659`
`11`		`805621207`
`12`		`3890807396`
`13`		`18817025188`
`14`		`91075073881`
`15`		`440491413435`
`16`		`2130434106639`
`17`		`10306317416695`
`18`		`49854704983253`
`19`		`241148925982311`
`20`		`1166495712482115`

[21,441,2491,13825,63031,297702,1474641,7151473, 34264481,166182659,805621207,3890807396, 18817025188,91075073881,440491413435, 2130434106639,10306317416695,49854704983253, 241148925982311,1166495712482115]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 14:32 EDT 2024. Contains 371960 sequences. (Running on oeis4.)