A027674 as tables, graphs or sounds

A027674 formatted as a simple table:

`n`		`a(n)`
`0`		`-1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`5`
`6`		`7`
`7`		`13`
`8`		`25`
`9`		`49`
`10`		`89`
`11`		`169`
`12`		`319`
`13`		`601`
`14`		`1129`
`15`		`2129`
`16`		`4009`
`17`		`7549`
`18`		`14215`
`19`		`26773`
`20`		`50417`
`21`		`94945`
`22`		`178801`
`23`		`336721`
`24`		`634111`
`25`		`1194161`
`26`		`2248849`
`27`		`4235041`
`28`		`7975441`
`29`		`15019381`
`30`		`28284551`
`31`		`53265565`
`32`		`100309897`
`33`		`188903953`

[-1,1,1,1,1,5,7,13,25,49,89,169,319,601,1129,2129, 4009,7549,14215,26773,50417,94945,178801,336721, 634111,1194161,2248849,4235041,7975441,15019381, 28284551,53265565,100309897,188903953]

Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

AT&T Labs Research