|
|
A212262
|
|
a(n) = 3^n + Fibonacci(n).
|
|
3
|
|
|
1, 4, 10, 29, 84, 248, 737, 2200, 6582, 19717, 59104, 177236, 531585, 1594556, 4783346, 14349517, 43047708, 129141760, 387423073, 1162265648, 3486791166, 10460364149, 31381077320, 94143207484, 282429582849, 847288684468, 2541865949722, 7625597681405
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
|
|
FORMULA
|
G.f.: (1-2*x)*(1+2*x)/((1-3*x)*(1-x-x^2)).
|
|
MATHEMATICA
|
Table[3^n + Fibonacci[n], {n, 0, 27}]
|
|
PROG
|
(PARI) for(n=0, 27, print1(3^n+fibonacci(n)", "));
(Magma) [3^n+Fibonacci(n): n in [0..27]];
(Sage) [3^n +fibonacci(n) for n in (0..30)] # G. C. Greubel, Jul 05 2021
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|