A135487 as tables, graphs or sounds

A135487 formatted as a simple table:

`n`		`a(n)`
`2`		`19`
`3`		`232`
`4`		`3690`
`5`		`72600`
`6`		`1705704`
`7`		`46650240`
`8`		`1456902720`
`9`		`51181804800`
`10`		`1998434592000`
`11`		`85878536325120`
`12`		`4028521809312000`
`13`		`204866151025536000`
`14`		`11227636547487360000`
`15`		`659746302934118400000`
`16`		`41380369671344191488000`
`17`		`2759500311807527608320000`

[19,232,3690,72600,1705704,46650240,1456902720, 51181804800,1998434592000,85878536325120, 4028521809312000,204866151025536000, 11227636547487360000,659746302934118400000, 41380369671344191488000, 2759500311807527608320000]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research