A000388 - OEIS

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

A000388 as a simple table

`n`		`a(n)`
`4`		`6`
`5`		`20`
`6`		`180`
`7`		`1106`
`8`		`9292`
`9`		`82980`
`10`		`831545`
`11`		`9139482`
`12`		`109595496`
`13`		`1423490744`
`14`		`19911182207`
`15`		`298408841160`
`16`		`4770598226296`
`17`		`81037124739588`
`18`		`1457607971046492`
`19`		`27675791180024802`
`20`		`553166885187641670`
`21`		`11609691036091870428`
`22`		`255273744004170486155`
`23`		`5868308906885934514178`

[6,20,180,1106,9292,82980,831545,9139482, 109595496,1423490744,19911182207,298408841160, 4770598226296,81037124739588,1457607971046492, 27675791180024802,553166885187641670, 11609691036091870428,255273744004170486155, 5868308906885934514178]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 28 19:40 EDT 2024. Contains 372092 sequences. (Running on oeis4.)