A238021 - OEIS

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

A238021 as a simple table

`n`		`a(n)`
`1`		`20`
`2`		`146`
`3`		`260`
`4`		`1820`
`5`		`3752`
`6`		`24818`
`7`		`56612`
`8`		`355364`
`9`		`872600`
`10`		`5238356`
`11`		`13605608`
`12`		`78675128`
`13`		`213600848`
`14`		`1196862482`
`15`		`3368311460`
`16`		`18375903380`
`17`		`53276769080`
`18`		`284073991196`
`19`		`844510526840`
`20`		`4414662677384`
`21`		`13408173196592`
`22`		`68889810592532`

[20,146,260,1820,3752,24818,56612,355364,872600, 5238356,13605608,78675128,213600848,1196862482, 3368311460,18375903380,53276769080,284073991196, 844510526840,4414662677384,13408173196592, 68889810592532]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)