OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (35,-440,2320,-4224).
FORMULA
a(n) = 23*a(n-1) - 132*a(n-2) + 2^(3n+1) - 4^n, n >= 2. - Vincenzo Librandi, Mar 16 2011
a(n) = -11^(n+3)/21 + 4*8^(n+1)/3 + 54*12^n - 2*4^n/7. - R. J. Mathar, Mar 17 2011
MATHEMATICA
CoefficientList[Series[1/((1 - 4 x) (1 - 8 x) (1 - 11 x) (1 - 12 x)), {x, 0, 20}], x] (* Wesley Ivan Hurt, Sep 25 2023 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved