A027987 - OEIS

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

A027987 as a simple table

`n`		`a(n)`
`3`		`58`
`4`		`272`
`5`		`1154`
`6`		`4757`
`7`		`19378`
`8`		`78422`
`9`		`315994`
`10`		`1269270`
`11`		`5086294`
`12`		`20345092`
`13`		`81265106`
`14`		`324240331`
`15`		`1292556986`
`16`		`5149091916`
`17`		`20500830986`
`18`		`81586994576`
`19`		`324577199086`
`20`		`1290904257426`
`21`		`5133037194706`
`22`		`20407032157936`
`23`		`81119882902118`

[58,272,1154,4757,19378,78422,315994,1269270, 5086294,20345092,81265106,324240331,1292556986, 5149091916,20500830986,81586994576,324577199086, 1290904257426,5133037194706,20407032157936, 81119882902118]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)