A067657 as tables, graphs or sounds

A067657 formatted as a simple table:

`n`		`a(n)`
`1`		`3`
`2`		`11`
`3`		`137`
`4`		`761`
`5`		`7129`
`6`		`18858053`
`7`		`34395742267`
`8`		`85691034670497533`
`9`		`252476961434436524654789`
`10`		`928551009361054917576341971`
`11`		`42409610330030873613929048033`
`12`		`4868007055309996043055960217131137`

[3,11,137,761,7129,18858053,34395742267, 85691034670497533,252476961434436524654789, 928551009361054917576341971, 42409610330030873613929048033, 4868007055309996043055960217131137]

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

AT&T Labs Research