A027805 as tables, graphs or sounds

A027805 formatted as a simple table:

`n`		`a(n)`
`0`		`126`
`1`		`1470`
`2`		`9240`
`3`		`41580`
`4`		`150150`
`5`		`462462`
`6`		`1261260`
`7`		`3123120`
`8`		`7147140`
`9`		`15315300`
`10`		`31039008`
`11`		`59961720`
`12`		`111105540`
`13`		`198470580`
`14`		`343219800`
`15`		`576609264`
`16`		`943854450`
`17`		`1509157650`
`18`		`2362159800`
`19`		`3626122500`
`20`		`5468192730`

[126,1470,9240,41580,150150,462462,1261260, 3123120,7147140,15315300,31039008,59961720, 111105540,198470580,343219800,576609264,943854450, 1509157650,2362159800,3626122500,5468192730]

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research