A001818 as tables, graphs or sounds

A001818 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`9`
`3`		`225`
`4`		`11025`
`5`		`893025`
`6`		`108056025`
`7`		`18261468225`
`8`		`4108830350625`
`9`		`1187451971330625`
`10`		`428670161650355625`
`11`		`189043541287806830625`
`12`		`100004033341249813400625`
`13`		`62502520838281133375390625`

[1,1,9,225,11025,893025,108056025,18261468225, 4108830350625,1187451971330625,428670161650355625, 189043541287806830625,100004033341249813400625, 62502520838281133375390625]

Last modified December 9 14:43 EST 2009. Contains 170430 sequences.

AT&T Labs Research