A055271 as tables, graphs or sounds

A055271 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`7`
`2`		`34`
`3`		`163`
`4`		`781`
`5`		`3742`
`6`		`17929`
`7`		`85903`
`8`		`411586`
`9`		`1972027`
`10`		`9448549`
`11`		`45270718`
`12`		`216905041`
`13`		`1039254487`
`14`		`4979367394`
`15`		`23857582483`
`16`		`114308545021`
`17`		`547685142622`
`18`		`2624117168089`
`19`		`12572900697823`
`20`		`60240386321026`
`21`		`288629030907307`

[1,7,34,163,781,3742,17929,85903,411586,1972027, 9448549,45270718,216905041,1039254487,4979367394, 23857582483,114308545021,547685142622, 2624117168089,12572900697823,60240386321026, 288629030907307]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research