A007408 - OEIS

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

A007408 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`9`
`3`		`251`
`4`		`2035`
`5`		`256103`
`6`		`28567`
`7`		`9822481`
`8`		`78708473`
`9`		`19148110939`
`10`		`19164113947`
`11`		`25523438671457`
`12`		`25535765062457`
`13`		`56123375845866029`
`14`		`56140429821090029`
`15`		`56154295334575853`
`16`		`449325761325072949`
`17`		`2207911834254200646437`
`18`		`245358578943756786493`

[1,9,251,2035,256103,28567,9822481,78708473, 19148110939,19164113947,25523438671457, 25535765062457,56123375845866029, 56140429821090029,56154295334575853, 449325761325072949,2207911834254200646437, 245358578943756786493]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 27 13:14 EDT 2024. Contains 372019 sequences. (Running on oeis4.)