A127116 as tables, graphs or sounds

A127116 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`26`
`5`		`143`
`6`		`880`
`7`		`6820`
`8`		`61270`
`9`		`612700`
`10`		`6740700`
`11`		`83088500`
`12`		`1211283600`
`13`		`17058212600`
`14`		`270017301300`
`15`		`4560302022000`
`16`		`82065335385000`
`17`		`1648341372414000`
`18`		`34076827548280000`
`19`		`725735500635080000`
`20`		`17178403115182870000`

[1,1,2,6,26,143,880,6820,61270,612700,6740700, 83088500,1211283600,17058212600,270017301300, 4560302022000,82065335385000,1648341372414000, 34076827548280000,725735500635080000, 17178403115182870000]

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research