A020138 as tables, graphs or sounds

A020138 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`8`
`3`		`28`
`4`		`52`
`5`		`91`
`6`		`121`
`7`		`205`
`8`		`286`
`9`		`364`
`10`		`511`
`11`		`532`
`12`		`616`
`13`		`671`
`14`		`697`
`15`		`703`
`16`		`946`
`17`		`949`
`18`		`1036`
`19`		`1105`
`20`		`1288`
`21`		`1387`
`22`		`1541`
`23`		`1729`
`24`		`1891`
`25`		`2465`
`26`		`2501`
`27`		`2665`
`28`		`2701`
`29`		`2806`
`30`		`2821`
`31`		`2926`
`32`		`3052`
`33`		`3281`
`34`		`3367`
`35`		`3751`
`36`		`4376`
`37`		`4636`
`38`		`4961`
`39`		`5356`
`40`		`5551`
`41`		`6364`
`42`		`6601`
`43`		`6643`
`44`		`7081`
`45`		`7381`
`46`		`7913`
`47`		`8401`

[4,8,28,52,91,121,205,286,364,511,532,616,671,697, 703,946,949,1036,1105,1288,1387,1541,1729,1891, 2465,2501,2665,2701,2806,2821,2926,3052,3281,3367, 3751,4376,4636,4961,5356,5551,6364,6601,6643,7081, 7381,7913,8401]

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research