OFFSET
0,1
LINKS
Cesar Bautista, Table of n, a(n) for n = 0..500
C. Bautista-Ramos and C. Guillen-Galvan, Fibonacci numbers of generalized Zykov sums, J. Integer Seq., 15 (2012), #12.7.8.
Index entries for linear recurrences with constant coefficients, signature (13,17,-109,42,28).
FORMULA
a(n) = 13*a(n-1)+17*a(n-2)-109*a(n-3)+42*a(n-4)+28*a(n-5) with a(0)=27, a(1)=322, a(2)=4556, a(3)=61814, a(4)=847098.
G.f.: (27-29*x-89*x^2+55*x^3+28*x^4)/(1-13*x-17*x^2+109*x^3-42*x^4-28*x^5).
MATHEMATICA
LinearRecurrence[{13, 17, -109, 42, 28}, {27, 322, 4556, 61814,
847098}, 20] (* Wesley Ivan Hurt, Oct 10 2021 *)
PROG
(Maxima) a[0]:27; a[1]:322; a[2]:4556; a[3]:61814; a[4]:847098;
a[n]:=13*a[n-1]+17*a[n-2]-109*a[n-3]+42*a[n-4]+28*a[n-5];
makelist(a[k], k, 0, 25);
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Cesar Bautista, Apr 13 2012
STATUS
approved