A002387 as tables, graphs or sounds

A002387 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`11`
`4`		`31`
`5`		`83`
`6`		`227`
`7`		`616`
`8`		`1674`
`9`		`4550`
`10`		`12367`
`11`		`33617`
`12`		`91380`
`13`		`248397`
`14`		`675214`
`15`		`1835421`
`16`		`4989191`
`17`		`13562027`
`18`		`36865412`
`19`		`100210581`
`20`		`272400600`
`21`		`740461601`
`22`		`2012783315`
`23`		`5471312310`
`24`		`14872568831`
`25`		`40427833596`
`26`		`109894245429`
`27`		`298723530401`
`28`		`812014744422`

[1,2,4,11,31,83,227,616,1674,4550,12367,33617, 91380,248397,675214,1835421,4989191,13562027, 36865412,100210581,272400600,740461601,2012783315, 5471312310,14872568831,40427833596,109894245429, 298723530401,812014744422]

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

AT&T Labs Research