A033980 as tables, graphs or sounds

A033980 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`50`
`2`		`25`
`3`		`1226`
`4`		`613`
`5`		`30038`
`6`		`15019`
`7`		`735932`
`8`		`367966`
`9`		`183983`
`10`		`9015168`
`11`		`4507584`
`12`		`2253792`
`13`		`1126896`
`14`		`563448`
`15`		`281724`
`16`		`140862`
`17`		`70431`
`18`		`3451120`
`19`		`1725560`
`20`		`862780`
`21`		`431390`
`22`		`215695`
`23`		`10569056`
`24`		`5284528`
`25`		`2642264`

[1,50,25,1226,613,30038,15019,735932,367966, 183983,9015168,4507584,2253792,1126896,563448, 281724,140862,70431,3451120,1725560,862780,431390, 215695,10569056,5284528,2642264]

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

AT&T Labs Research