A042240 - OEIS

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

A042240 as a simple table

`n`		`a(n)`
`0`		`25`
`1`		`51`
`2`		`127`
`3`		`305`
`4`		`15377`
`5`		`31059`
`6`		`77495`
`7`		`186049`
`8`		`9379945`
`9`		`18945939`
`10`		`47271823`
`11`		`113489585`
`12`		`5721751073`
`13`		`11556991731`
`14`		`28835734535`
`15`		`69228460801`
`16`		`3490258774585`
`17`		`7049746009971`
`18`		`17589750794527`

[25,51,127,305,15377,31059,77495,186049,9379945, 18945939,47271823,113489585,5721751073, 11556991731,28835734535,69228460801,3490258774585, 7049746009971,17589750794527]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 13:04 EDT 2024. Contains 371913 sequences. (Running on oeis4.)