A149166 - OEIS

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

A149166 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`9`
`4`		`42`
`5`		`120`
`6`		`570`
`7`		`1825`
`8`		`8890`
`9`		`30534`
`10`		`149418`
`11`		`536896`
`12`		`2650062`
`13`		`9848282`
`14`		`48696782`
`15`		`185458037`
`16`		`920584716`
`17`		`3576385528`
`18`		`17767869592`
`19`		`70107220264`
`20`		`348996559758`
`21`		`1395354752334`
`22`		`6949384790858`
`23`		`28086919632832`
`24`		`140041190373276`
`25`		`571375438865004`
`26`		`2849662081018354`
`27`		`11720152721264588`
`28`		`58492355525303946`

[1,1,4,9,42,120,570,1825,8890,30534,149418,536896, 2650062,9848282,48696782,185458037,920584716, 3576385528,17767869592,70107220264,348996559758, 1395354752334,6949384790858,28086919632832, 140041190373276,571375438865004,2849662081018354, 11720152721264588,58492355525303946]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 13:53 EDT 2024. Contains 371958 sequences. (Running on oeis4.)