A149846 as tables, graphs or sounds

A149846 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`12`
`4`		`38`
`5`		`118`
`6`		`424`
`7`		`1544`
`8`		`5668`
`9`		`22186`
`10`		`86962`
`11`		`347260`
`12`		`1426428`
`13`		`5869950`
`14`		`24589692`
`15`		`104252754`
`16`		`444133962`
`17`		`1916625390`
`18`		`8318626668`
`19`		`36335194794`
`20`		`159998657938`
`21`		`707382646426`
`22`		`3146397539508`
`23`		`14064764511358`
`24`		`63107673236226`
`25`		`284521869849658`
`26`		`1287188819030996`
`27`		`5843899644335638`
`28`		`26625968697335426`

[1,2,4,12,38,118,424,1544,5668,22186,86962,347260, 1426428,5869950,24589692,104252754,444133962, 1916625390,8318626668,36335194794,159998657938, 707382646426,3146397539508,14064764511358, 63107673236226,284521869849658,1287188819030996, 5843899644335638,26625968697335426]

Last modified December 20 16:13 EST 2009. Contains 171081 sequences.

AT&T Labs Research