A274729 - OEIS

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

A274729 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`48`
`3`		`260`
`4`		`1632`
`5`		`10368`
`6`		`66132`
`7`		`421904`
`8`		`2691884`
`9`		`17175124`
`10`		`109583308`
`11`		`699179884`
`12`		`4461012792`
`13`		`28462825592`
`14`		`181602806300`
`15`		`1158689573772`
`16`		`7392845715224`
`17`		`47168947581908`
`18`		`300954422923484`
`19`		`1920194732348424`
`20`		`12251515609312728`

[4,48,260,1632,10368,66132,421904,2691884, 17175124,109583308,699179884,4461012792, 28462825592,181602806300,1158689573772, 7392845715224,47168947581908,300954422923484, 1920194732348424,12251515609312728]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 11 23:02 EDT 2024. Contains 375842 sequences. (Running on oeis4.)