A001518 as tables, graphs or sounds

A001518 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`37`
`3`		`559`
`4`		`11776`
`5`		`318511`
`6`		`10522639`
`7`		`410701432`
`8`		`18492087079`
`9`		`943507142461`
`10`		`53798399207356`
`11`		`3390242657205889`
`12`		`233980541746413697`
`13`		`17551930873638233164`
`14`		`1421940381306443299981`
`15`		`123726365104534205331511`
`16`		`11507973895102987539130504`

[1,4,37,559,11776,318511,10522639,410701432, 18492087079,943507142461,53798399207356, 3390242657205889,233980541746413697, 17551930873638233164,1421940381306443299981, 123726365104534205331511, 11507973895102987539130504]

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

AT&T Labs Research