A054759 as tables, graphs or sounds

A054759 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`18`
`3`		`148`
`4`		`2970`
`5`		`143224`
`6`		`16448400`
`7`		`4484823396`
`8`		`2901094068042`
`9`		`4448410550095612`
`10`		`16178049740086515288`
`11`		`139402641051212392498528`
`12`		`2849295959501939989625992464`
`13`		`137950545200232788276834783781648`

[4,18,148,2970,143224,16448400,4484823396, 2901094068042,4448410550095612, 16178049740086515288,139402641051212392498528, 2849295959501939989625992464, 137950545200232788276834783781648]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research