A026550 as tables, graphs or sounds

A026550 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`13`
`4`		`35`
`5`		`77`
`6`		`204`
`7`		`453`
`8`		`1199`
`9`		`2675`
`10`		`7089`
`11`		`15855`
`12`		`42070`
`13`		`94228`
`14`		`250269`
`15`		`561068`
`16`		`1491262`
`17`		`3345334`
`18`		`8896310`
`19`		`19966310`
`20`		`53118352`
`21`		`119257668`
`22`		`317373194`
`23`		`712742108`
`24`		`1897253203`
`25`		`4261711183`
`26`		`11346582851`
`27`		`25491926511`
`28`		`67882263130`

[1,2,6,13,35,77,204,453,1199,2675,7089,15855, 42070,94228,250269,561068,1491262,3345334,8896310, 19966310,53118352,119257668,317373194,712742108, 1897253203,4261711183,11346582851,25491926511, 67882263130]

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research