A053487 as tables, graphs or sounds

A053487 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`26`
`3`		`142`
`4`		`824`
`5`		`5144`
`6`		`34960`
`7`		`261104`
`8`		`2154368`
`9`		`19651456`
`10`		`197563136`
`11`		`2177388800`
`12`		`26145442816`
`13`		`339957865472`
`14`		`4759678552064`
`15`		`71396252022784`
`16`		`1142344327331840`
`17`		`19419870744510464`
`18`		`349557742120665088`
`19`		`6641597375170543616`
`20`		`132831948602922500096`

[1,5,26,142,824,5144,34960,261104,2154368, 19651456,197563136,2177388800,26145442816, 339957865472,4759678552064,71396252022784, 1142344327331840,19419870744510464, 349557742120665088,6641597375170543616, 132831948602922500096]

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research