A130503 as tables, graphs or sounds

A130503 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`12`
`5`		`12`
`6`		`4`
`7`		`28`
`8`		`56`
`9`		`504`
`10`		`2520`
`11`		`27720`
`12`		`27720`
`13`		`27720`
`14`		`27720`
`15`		`5544`
`16`		`11088`
`17`		`188496`
`18`		`62832`
`19`		`1193808`
`20`		`5969040`
`21`		`1989680`
`22`		`1989680`
`23`		`45762640`
`24`		`137287920`
`25`		`686439600`
`26`		`8923714800`
`27`		`80313433200`
`28`		`80313433200`
`29`		`2329089562800`
`30`		`2329089562800`

[1,2,6,12,12,4,28,56,504,2520,27720,27720,27720, 27720,5544,11088,188496,62832,1193808,5969040, 1989680,1989680,45762640,137287920,686439600, 8923714800,80313433200,80313433200,2329089562800, 2329089562800]

Last modified December 17 19:39 EST 2009. Contains 170821 sequences.

AT&T Labs Research