A107507 as tables, graphs or sounds

A107507 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`264`
`2`		`13488`
`3`		`278168`
`4`		`3237984`
`5`		`25290408`
`6`		`147204624`
`7`		`684347448`
`8`		`2666539200`
`9`		`9015945800`
`10`		`27141718896`
`11`		`74182306776`
`12`		`186879023392`
`13`		`439124493288`
`14`		`971672262864`
`15`		`2040402823544`
`16`		`4092008534400`
`17`		`7879085829000`
`18`		`14630516376112`
`19`		`26297796632856`
`20`		`45903762942432`

[1,264,13488,278168,3237984,25290408,147204624, 684347448,2666539200,9015945800,27141718896, 74182306776,186879023392,439124493288, 971672262864,2040402823544,4092008534400, 7879085829000,14630516376112,26297796632856, 45903762942432]

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

AT&T Labs Research