A003954 as tables, graphs or sounds

A003954 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`12`
`2`		`132`
`3`		`1452`
`4`		`15972`
`5`		`175692`
`6`		`1932612`
`7`		`21258732`
`8`		`233846052`
`9`		`2572306572`
`10`		`28295372292`
`11`		`311249095212`
`12`		`3423740047332`
`13`		`37661140520652`
`14`		`414272545727172`
`15`		`4556998002998892`
`16`		`50126978032987812`

[1,12,132,1452,15972,175692,1932612,21258732, 233846052,2572306572,28295372292,311249095212, 3423740047332,37661140520652,414272545727172, 4556998002998892,50126978032987812]

Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

AT&T Labs Research