A001819 as tables, graphs or sounds

A001819 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`5`
`3`		`49`
`4`		`820`
`5`		`21076`
`6`		`773136`
`7`		`38402064`
`8`		`2483133696`
`9`		`202759531776`
`10`		`20407635072000`
`11`		`2482492033152000`
`12`		`359072203696128000`
`13`		`60912644957448192000`
`14`		`11977654199703478272000`
`15`		`2702572249389834608640000`

[0,1,5,49,820,21076,773136,38402064,2483133696, 202759531776,20407635072000,2482492033152000, 359072203696128000,60912644957448192000, 11977654199703478272000, 2702572249389834608640000]

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research