|
Search: id:A074607
|
|
| |
|
| 2, 9, 45, 243, 1377, 8019, 47385, 282123, 1686177, 10097379, 60525225, 362974203, 2177313777, 13062288339, 78368947065, 470199333483, 2821152954177, 16926788584899, 101560344088905, 609360902271963, 3656161926847377
(list; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
FORMULA
|
G.f.: 1/(1-3*x)+1/(1-6*x). E.g.f.: e^(3*x)+e^(6*x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 11 2009]
|
|
MATHEMATICA
|
Table[3^n + 6^n, {n, 0, 25}]
|
|
CROSSREFS
|
Cf. A000051, A034472, A052539, A034474, A062394, A034491, A062395, A062396, A007689, A063376, A063481, A074600 - A074624.
Sequence in context: A088369 A059388 A059392 this_sequence A162725 A036726 A020053
Adjacent sequences: A074604 A074605 A074606 this_sequence A074608 A074609 A074610
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 25 2002
|
|
|
Search completed in 0.002 seconds
|
