A177518 - OEIS

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

A177518 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`24`
`5`		`116`
`6`		`672`
`7`		`4536`
`8`		`34944`
`9`		`302896`
`10`		`2916992`
`11`		`30899616`
`12`		`357080064`
`13`		`4470310976`
`14`		`60269056512`
`15`		`870591770496`
`16`		`13414154256384`
`17`		`219604379097856`
`18`		`3806644208863232`
`19`		`69650568655858176`
`20`		`1341477655028219904`
`21`		`27128858382696129536`
`22`		`574755293400886321152`

[1,2,6,24,116,672,4536,34944,302896,2916992, 30899616,357080064,4470310976,60269056512, 870591770496,13414154256384,219604379097856, 3806644208863232,69650568655858176, 1341477655028219904,27128858382696129536, 574755293400886321152]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)