A033840 as tables, graphs or sounds

A033840 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`20`
`3`		`92`
`4`		`16`
`5`		`1056`
`6`		`212419`
`7`		`128`
`8`		`13379`
`9`		`40695508`
`10`		`1024`
`11`		`4196352`
`12`		`13892162580`
`13`		`8192`
`14`		`268451840`
`15`		`1002493281672`
`16`		`65536`
`17`		`17180000256`
`18`		`4998382669357032`
`19`		`524288`
`20`		`1099512676352`
`21`		`3418993385062038719`
`22`		`4194304`
`23`		`70368752566272`

[2,20,92,16,1056,212419,128,13379,40695508,1024, 4196352,13892162580,8192,268451840,1002493281672, 65536,17180000256,4998382669357032,524288, 1099512676352,3418993385062038719,4194304, 70368752566272]

Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

AT&T Labs Research