A011970 as tables, graphs or sounds

A011970 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`8`
`3`		`15`
`4`		`37`
`5`		`114`
`6`		`409`
`7`		`1657`
`8`		`7432`
`9`		`36401`
`10`		`192713`
`11`		`1094076`
`12`		`6618379`
`13`		`42436913`
`14`		`287151994`
`15`		`2042803419`
`16`		`15229360185`
`17`		`118645071202`
`18`		`963494800557`
`19`		`8138047375093`
`20`		`71351480138824`
`21`		`648222594284197`
`22`		`6092330403828749`

[1,4,8,15,37,114,409,1657,7432,36401,192713, 1094076,6618379,42436913,287151994,2042803419, 15229360185,118645071202,963494800557, 8138047375093,71351480138824,648222594284197, 6092330403828749]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research