A057817 as tables, graphs or sounds

A057817 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`0`
`3`		`1`
`4`		`6`
`5`		`51`
`6`		`560`
`7`		`7575`
`8`		`122052`
`9`		`2285353`
`10`		`48803904`
`11`		`1171278945`
`12`		`31220505800`
`13`		`915350812299`
`14`		`29281681800384`
`15`		`1015074250155511`
`16`		`37909738774479600`
`17`		`1517587042234033425`
`18`		`64830903253553212928`
`19`		`2944016994706445303937`

[1,0,1,6,51,560,7575,122052,2285353,48803904, 1171278945,31220505800,915350812299, 29281681800384,1015074250155511,37909738774479600, 1517587042234033425,64830903253553212928, 2944016994706445303937]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research