A027150 - OEIS

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

A027150 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`6`
`4`		`12`
`5`		`20`
`6`		`80`
`7`		`152`
`8`		`304`
`9`		`528`
`10`		`2176`
`11`		`4416`
`12`		`8832`
`13`		`15488`
`14`		`64768`
`15`		`135552`
`16`		`271104`
`17`		`477440`
`18`		`2013184`
`19`		`4289536`
`20`		`8579072`
`21`		`15144960`
`22`		`64200704`
`23`		`138407936`
`24`		`276815872`
`25`		`489431040`
`26`		`2082406400`
`27`		`4526702592`
`28`		`9053405184`
`29`		`16024403968`

[1,1,4,6,12,20,80,152,304,528,2176,4416,8832, 15488,64768,135552,271104,477440,2013184,4289536, 8579072,15144960,64200704,138407936,276815872, 489431040,2082406400,4526702592,9053405184, 16024403968]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)