A103972 as tables, graphs or sounds

A103972 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`12`
`3`		`60`
`4`		`264`
`5`		`1392`
`6`		`7392`
`7`		`41424`
`8`		`236640`
`9`		`1384512`
`10`		`8224896`
`11`		`49554816`
`12`		`301884672`
`13`		`1856878080`
`14`		`11514915840`
`15`		`71915838720`
`16`		`451938731520`
`17`		`2855705994240`
`18`		`18132621772800`
`19`		`115637702461440`
`20`		`740356410961920`

[1,6,12,60,264,1392,7392,41424,236640,1384512, 8224896,49554816,301884672,1856878080,11514915840, 71915838720,451938731520,2855705994240, 18132621772800,115637702461440,740356410961920]

Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research