A038606 as tables, graphs or sounds

A038606 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`5`
`3`		`12`
`4`		`31`
`5`		`69`
`6`		`181`
`7`		`443`
`8`		`1052`
`9`		`2701`
`10`		`6455`
`11`		`15928`
`12`		`40073`
`13`		`100362`
`14`		`251707`
`15`		`637235`
`16`		`1617175`
`17`		`4124437`
`18`		`10553415`
`19`		`27066974`
`20`		`69709680`
`21`		`179992909`
`22`		`465769803`
`23`		`1208198526`
`24`		`3140421716`
`25`		`8179002096`
`26`		`21338685407`
`27`		`55762149030`
`28`		`145935689361`

[1,5,12,31,69,181,443,1052,2701,6455,15928,40073, 100362,251707,637235,1617175,4124437,10553415, 27066974,69709680,179992909,465769803,1208198526, 3140421716,8179002096,21338685407,55762149030, 145935689361]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research