A077442 as tables, graphs or sounds

A077442 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`9`
`3`		`19`
`4`		`53`
`5`		`111`
`6`		`309`
`7`		`647`
`8`		`1801`
`9`		`3771`
`10`		`10497`
`11`		`21979`
`12`		`61181`
`13`		`128103`
`14`		`356589`
`15`		`746639`
`16`		`2078353`
`17`		`4351731`
`18`		`12113529`
`19`		`25363747`
`20`		`70602821`
`21`		`147830751`
`22`		`411503397`
`23`		`861620759`
`24`		`2398417561`
`25`		`5021893803`
`26`		`13979001969`
`27`		`29269742059`
`28`		`81475594253`

[1,3,9,19,53,111,309,647,1801,3771,10497,21979, 61181,128103,356589,746639,2078353,4351731, 12113529,25363747,70602821,147830751,411503397, 861620759,2398417561,5021893803,13979001969, 29269742059,81475594253]

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research