A153851 as tables, graphs or sounds

A153851 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`6`
`4`		`57`
`5`		`683`
`6`		`9474`
`7`		`145815`
`8`		`2430393`
`9`		`43202448`
`10`		`810629805`
`11`		`15938815794`
`12`		`326653743510`
`13`		`6949638584208`
`14`		`153009877730525`
`15`		`3477623225388063`
`16`		`81429702521625843`
`17`		`1961136442605508341`
`18`		`48513571089988199157`

[1,1,6,57,683,9474,145815,2430393,43202448, 810629805,15938815794,326653743510,6949638584208, 153009877730525,3477623225388063, 81429702521625843,1961136442605508341, 48513571089988199157]

Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

AT&T Labs Research