A138775 as tables, graphs or sounds

A138775 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`1`
`6`		`1`
`7`		`1`
`8`		`4`
`9`		`1`
`10`		`10`
`11`		`1`
`12`		`20`
`13`		`1`
`14`		`35`
`15`		`1`
`16`		`56`
`17`		`1`
`18`		`1`
`19`		`84`
`20`		`7`
`21`		`1`
`22`		`120`
`23`		`28`
`24`		`1`
`25`		`165`
`26`		`84`
`27`		`1`
`28`		`220`
`29`		`210`
`30`		`1`
`31`		`286`
`32`		`462`
`33`		`1`
`34`		`1`
`35`		`364`
`36`		`924`
`37`		`10`
`38`		`1`
`39`		`455`
`40`		`1716`
`41`		`55`
`42`		`1`
`43`		`560`
`44`		`3003`
`45`		`220`
`46`		`1`
`47`		`680`
`48`		`5005`
`49`		`715`
`50`		`1`
`51`		`816`
`52`		`8008`
`53`		`2002`
`54`		`1`

[1,1,1,1,1,1,1,1,4,1,10,1,20,1,35,1,56,1,1,84,7,1, 120,28,1,165,84,1,220,210,1,286,462,1,1,364,924, 10,1,455,1716,55,1,560,3003,220,1,680,5005,715,1, 816,8008,2002,1]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research