A157904 as tables, graphs or sounds

A157904 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`8`
`4`		`17`
`5`		`36`
`6`		`78`
`7`		`170`
`8`		`375`
`9`		`833`
`10`		`1870`
`11`		`4229`
`12`		`9654`
`13`		`22223`
`14`		`51622`
`15`		`120961`
`16`		`286029`
`17`		`682398`
`18`		`1642821`
`19`		`3990231`
`20`		`9777678`
`21`		`24166327`
`22`		`60233185`
`23`		`151350709`
`24`		`383287499`
`25`		`977918150`
`26`		`2512805727`
`27`		`6500178867`
`28`		`16921248231`
`29`		`44310852884`
`30`		`116678914575`

[1,2,4,8,17,36,78,170,375,833,1870,4229,9654, 22223,51622,120961,286029,682398,1642821,3990231, 9777678,24166327,60233185,151350709,383287499, 977918150,2512805727,6500178867,16921248231, 44310852884,116678914575]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research