A148455 - OEIS

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

A148455 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`18`
`5`		`54`
`6`		`189`
`7`		`633`
`8`		`2304`
`9`		`8304`
`10`		`31165`
`11`		`117040`
`12`		`450812`
`13`		`1738597`
`14`		`6832754`
`15`		`26873783`
`16`		`107237479`
`17`		`428294527`
`18`		`1729570438`
`19`		`6992686966`
`20`		`28512482373`
`21`		`116421902463`
`22`		`478533610040`
`23`		`1969894917140`
`24`		`8152045246384`
`25`		`33786980247672`
`26`		`140634663815895`
`27`		`586246071077852`
`28`		`2452450863163104`

[1,1,2,6,18,54,189,633,2304,8304,31165,117040, 450812,1738597,6832754,26873783,107237479, 428294527,1729570438,6992686966,28512482373, 116421902463,478533610040,1969894917140, 8152045246384,33786980247672,140634663815895, 586246071077852,2452450863163104]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 09:23 EDT 2024. Contains 371967 sequences. (Running on oeis4.)