A027720 as tables, graphs or sounds

A027720 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`101`
`5`		`626`
`6`		`10001`
`7`		`1000001`
`8`		`1040401`
`9`		`2217122`
`10`		`5053505`
`11`		`100000001`
`12`		`101808101`
`13`		`10000000001`
`14`		`10182828101`
`15`		`10408080401`
`16`		`28053235082`
`17`		`1000000000001`
`18`		`1000400040001`
`19`		`1018262628101`
`20`		`7534662664357`

[1,2,5,101,626,10001,1000001,1040401,2217122, 5053505,100000001,101808101,10000000001, 10182828101,10408080401,28053235082,1000000000001, 1000400040001,1018262628101,7534662664357]

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

AT&T Labs Research