A083420 as tables, graphs or sounds

A083420 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`7`
`2`		`31`
`3`		`127`
`4`		`511`
`5`		`2047`
`6`		`8191`
`7`		`32767`
`8`		`131071`
`9`		`524287`
`10`		`2097151`
`11`		`8388607`
`12`		`33554431`
`13`		`134217727`
`14`		`536870911`
`15`		`2147483647`
`16`		`8589934591`
`17`		`34359738367`
`18`		`137438953471`
`19`		`549755813887`
`20`		`2199023255551`
`21`		`8796093022207`
`22`		`35184372088831`

[1,7,31,127,511,2047,8191,32767,131071,524287, 2097151,8388607,33554431,134217727,536870911, 2147483647,8589934591,34359738367,137438953471, 549755813887,2199023255551,8796093022207, 35184372088831]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research