A055846 as tables, graphs or sounds

A055846 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`25`
`3`		`150`
`4`		`900`
`5`		`5400`
`6`		`32400`
`7`		`194400`
`8`		`1166400`
`9`		`6998400`
`10`		`41990400`
`11`		`251942400`
`12`		`1511654400`
`13`		`9069926400`
`14`		`54419558400`
`15`		`326517350400`
`16`		`1959104102400`
`17`		`11754624614400`
`18`		`70527747686400`
`19`		`423166486118400`
`20`		`2538998916710400`

[1,4,25,150,900,5400,32400,194400,1166400,6998400, 41990400,251942400,1511654400,9069926400, 54419558400,326517350400,1959104102400, 11754624614400,70527747686400,423166486118400, 2538998916710400]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research