A123544 as tables, graphs or sounds

A123544 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`1`
`3`		`6`
`4`		`87`
`5`		`1980`
`6`		`66270`
`7`		`3050460`
`8`		`184716630`
`9`		`14231775600`
`10`		`1359481407480`
`11`		`157694893448400`
`12`		`21835679256606600`
`13`		`3557942554594428000`
`14`		`673941365091485290800`
`15`		`146851484638349504613600`

[0,0,1,6,87,1980,66270,3050460,184716630, 14231775600,1359481407480,157694893448400, 21835679256606600,3557942554594428000, 673941365091485290800,146851484638349504613600]

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

AT&T Labs Research