OFFSET
0,2
LINKS
Bruno Berselli, Table of n, a(n) for n = 0..1000.
Index entries for linear recurrences with constant coefficients, signature (7,-7,-15).
FORMULA
MATHEMATICA
CoefficientList[Series[1/((1+x)(1-3x)(1-5x)), {x, 0, 24}], x]
LinearRecurrence[{7, -7, -15}, {1, 7, 42}, 30] (* Harvey P. Dale, May 26 2015 *)
PROG
(PARI) Vec(1/((1+x)*(1-3*x)*(1-5*x))+O(x^24))
(Magma) m:=24; R<x>:=PowerSeriesRing(Integers(), m); Coefficients(R!(1/((1+x)*(1-3*x)*(1-5*x))));
(Maxima) makelist(coeff(taylor(1/((1+x)*(1-3*x)*(1-5*x)), x, 0, n), x, n), n, 0, 23);
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Bruno Berselli, Nov 23 2011
STATUS
approved