A027999 as tables, graphs or sounds

A027999 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`3`
`4`		`6`
`5`		`13`
`6`		`24`
`7`		`49`
`8`		`91`
`9`		`181`
`10`		`334`
`11`		`632`
`12`		`1163`
`13`		`2138`
`14`		`3880`
`15`		`7006`
`16`		`12531`
`17`		`22279`
`18`		`39369`
`19`		`69078`
`20`		`120597`
`21`		`209282`
`22`		`361405`
`23`		`620829`
`24`		`1061687`
`25`		`1807014`
`26`		`3062642`
`27`		`5168784`
`28`		`8688820`
`29`		`14549659`
`30`		`24274226`
`31`		`40353748`

[1,0,1,3,6,13,24,49,91,181,334,632,1163,2138,3880, 7006,12531,22279,39369,69078,120597,209282,361405, 620829,1061687,1807014,3062642,5168784,8688820, 14549659,24274226,40353748]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research