A297621 - OEIS

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

A297621 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`15`
`3`		`39`
`4`		`279`
`5`		`759`
`6`		`1719`
`7`		`3639`
`8`		`13623`
`9`		`33591`
`10`		`73527`
`11`		`153399`
`12`		`313143`
`13`		`632631`
`14`		`1271607`
`15`		`2549559`
`16`		`20834103`
`17`		`57403191`
`18`		`130541367`
`19`		`276817719`
`20`		`569370423`
`21`		`1154475831`
`22`		`2324686647`
`23`		`4665108279`
`24`		`9345951543`
`25`		`18707638071`
`26`		`37431011127`
`27`		`74877757239`
`28`		`149771249463`

[1,3,15,39,279,759,1719,3639,13623,33591,73527, 153399,313143,632631,1271607,2549559,20834103, 57403191,130541367,276817719,569370423,1154475831, 2324686647,4665108279,9345951543,18707638071, 37431011127,74877757239,149771249463]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)