A002499 as tables, graphs or sounds

A002499 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`10`
`4`		`70`
`5`		`708`
`6`		`15224`
`7`		`544152`
`8`		`39576432`
`9`		`5074417616`
`10`		`1296033011648`
`11`		`604178966756320`
`12`		`556052774253161600`
`13`		`954895322019762585664`
`14`		`3224152068625567826724224`
`15`		`20610090531322819956330186112`

[1,3,10,70,708,15224,544152,39576432,5074417616, 1296033011648,604178966756320,556052774253161600, 954895322019762585664,3224152068625567826724224, 20610090531322819956330186112]

Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research