OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,4,0,-6,0,4,0,-1).
FORMULA
a(n) = Sum_{n=0..k} (-1)^(n-k) *A368045(n, k).
G.f.: x*(1 + 9*x + 6*x^2 + 14*x^3 + x^4 + x^5)/((1 - x)^4*(1 + x)^4). - Stefano Spezia, Dec 10 2023
MATHEMATICA
LinearRecurrence[{0, 4, 0, -6, 0, 4, 0, -1}, {0, 1, 9, 10, 50, 35, 147, 84}, 50] (* Paolo Xausa, Dec 10 2023 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Peter Luschny, Dec 09 2023
STATUS
approved