A001638 as tables, graphs or sounds

A001638 formatted as a simple table:

`n`		`a(n)`
`0`		`4`
`1`		`1`
`2`		`1`
`3`		`4`
`4`		`9`
`5`		`11`
`6`		`16`
`7`		`29`
`8`		`49`
`9`		`76`
`10`		`121`
`11`		`199`
`12`		`324`
`13`		`521`
`14`		`841`
`15`		`1364`
`16`		`2209`
`17`		`3571`
`18`		`5776`
`19`		`9349`
`20`		`15129`
`21`		`24476`
`22`		`39601`
`23`		`64079`
`24`		`103684`
`25`		`167761`
`26`		`271441`
`27`		`439204`
`28`		`710649`
`29`		`1149851`
`30`		`1860496`
`31`		`3010349`
`32`		`4870849`
`33`		`7881196`
`34`		`12752041`
`35`		`20633239`
`36`		`33385284`
`37`		`54018521`

[4,1,1,4,9,11,16,29,49,76,121,199,324,521,841, 1364,2209,3571,5776,9349,15129,24476,39601,64079, 103684,167761,271441,439204,710649,1149851, 1860496,3010349,4870849,7881196,12752041,20633239, 33385284,54018521]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research