A252697 - OEIS

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

A252697 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`4`
`2`		`12`
`3`		`36`
`4`		`132`
`5`		`492`
`6`		`1932`
`7`		`7596`
`8`		`30252`
`9`		`120516`
`10`		`481572`
`11`		`1924356`
`12`		`7695492`
`13`		`30774372`
`14`		`123089892`
`15`		`492329316`
`16`		`1969287012`
`17`		`7877027532`
`18`		`31507989612`
`19`		`126031476876`
`20`		`504125425932`
`21`		`2016499779372`
`22`		`8065997193132`
`23`		`32263981077036`
`24`		`129055916612652`
`25`		`516223635676236`

[0,4,12,36,132,492,1932,7596,30252,120516,481572, 1924356,7695492,30774372,123089892,492329316, 1969287012,7877027532,31507989612,126031476876, 504125425932,2016499779372,8065997193132, 32263981077036,129055916612652,516223635676236]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)