|
|
A101156
|
|
a(n) = 2*Fibonacci(n) + 8*Fibonacci(n-5).
|
|
3
|
|
|
10, 24, 34, 58, 92, 150, 242, 392, 634, 1026, 1660, 2686, 4346, 7032, 11378, 18410, 29788, 48198, 77986, 126184, 204170, 330354, 534524, 864878, 1399402, 2264280, 3663682, 5927962, 9591644, 15519606, 25111250, 40630856, 65742106, 106372962, 172115068
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
5,1
|
|
LINKS
|
|
|
FORMULA
|
a(n) = a(n-1) + a(n-2).
G.f.: -2*x^5*(7*x+5) / (x^2+x-1). (End)
|
|
MAPLE
|
|
|
MATHEMATICA
|
Table[2Fibonacci[n]+8Fibonacci[n-5], {n, 5, 40}] (* Harvey P. Dale, Jul 15 2013 *)
|
|
PROG
|
(PARI) Vec(-2*x^5*(7*x+5)/(x^2+x-1) + O(x^50)) \\ Colin Barker, Mar 07 2016
(Magma) [2*Fibonacci(n)+8*Fibonacci(n-5): n in [5..40]]; // Vincenzo Librandi, Jan 24 2017
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|