OFFSET
0,10
LINKS
Colin Barker, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,0,0,0,0,0,1,-1).
FORMULA
a(n) = a(n-1) + a(n-12) - a(n-13) for n>12. - Colin Barker, May 18 2019
MATHEMATICA
CoefficientList[Series[(x^8 - x^7 + x^5 - x + 1)*(x^4 + 1)/(((x + 1)*(x^2 + 1)*(x^4 - x^2+ 1)*(x^2 - x + 1)*(x^2 + x + 1)*(x - 1)^2)), {x, 0, 88}], x] (* Dylan Delgado, Mar 02 2021 *)
PROG
(PARI) Vec((1 + x^4)*(1 - x + x^5 - x^7 + x^8) / ((1 - x)^2*(1 + x)*(1 - x + x^2)*(1 + x^2)*(1 + x + x^2)*(1 - x^2 + x^4)) + O(x^40)) \\ Colin Barker, May 18 2019
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Creighton Dement, Nov 17 2005
STATUS
approved