|
| |
|
|
A074620
|
|
a(n) = 6^n + 8^n.
|
|
0
|
|
|
|
2, 14, 100, 728, 5392, 40544, 308800, 2377088, 18456832, 144295424, 1134208000, 8952731648, 70896259072, 562816507904, 4476410675200, 35654557073408, 284296086618112, 2268726473129984, 18115958466150400, 144724547815866368
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,1
|
|
|
LINKS
|
|
|
|
FORMULA
|
G.f.: 1/(1-6*x) + 1/(1-8*x).
E.g.f.: e^(6*x) + e^(8*x). (End)
|
|
|
MATHEMATICA
|
Table[6^n + 8^n, {n, 0, 20}]
LinearRecurrence[{14, -48}, {2, 14}, 30] (* Harvey P. Dale, Oct 07 2013 *)
|
|
|
CROSSREFS
|
Cf. A000051, A034472, A052539, A034474, A062394, A034491, A062395, A062396, A007689, A063376, A063481, A074600..A074624.
|
|
|
KEYWORD
|
easy,nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
