A149246 as tables, graphs or sounds

A149246 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`11`
`4`		`38`
`5`		`116`
`6`		`440`
`7`		`1453`
`8`		`5450`
`9`		`18714`
`10`		`71816`
`11`		`253494`
`12`		`972292`
`13`		`3492890`
`14`		`13529192`
`15`		`49328285`
`16`		`191161466`
`17`		`703792642`
`18`		`2742710728`
`19`		`10191899732`
`20`		`39738557836`
`21`		`148580923814`
`22`		`581445525832`
`23`		`2187826760962`
`24`		`8565364278692`
`25`		`32366865951050`
`26`		`127044352702056`
`27`		`482288980929490`
`28`		`1893726046847320`

[1,1,4,11,38,116,440,1453,5450,18714,71816,253494, 972292,3492890,13529192,49328285,191161466, 703792642,2742710728,10191899732,39738557836, 148580923814,581445525832,2187826760962, 8565364278692,32366865951050,127044352702056, 482288980929490,1893726046847320]

Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

AT&T Labs Research