A054970 as tables, graphs or sounds

A054970 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`39`
`4`		`55`
`5`		`87`
`6`		`182`
`7`		`556`
`8`		`644`
`9`		`797`
`10`		`917`
`11`		`1593`
`12`		`1685`
`13`		`25141`
`14`		`51425`
`15`		`55556`
`16`		`83527`
`17`		`810311`
`18`		`1620213`
`19`		`1853942`
`20`		`5555556`
`21`		`17352586`
`22`		`17835196`
`23`		`25004441`
`24`		`91071921`
`25`		`170563673`
`26`		`181737182`
`27`		`184252876`
`28`		`507354403`
`29`		`1240058219`

[1,2,6,39,55,87,182,556,644,797,917,1593,1685, 25141,51425,55556,83527,810311,1620213,1853942, 5555556,17352586,17835196,25004441,91071921, 170563673,181737182,184252876,507354403, 1240058219]

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research