OFFSET
0,4
COMMENTS
Binomial transform is A046717 (with extra leading 1).
LINKS
Colin Barker, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (-1,4,4).
FORMULA
MATHEMATICA
CoefficientList[Series[(1 + x - 4 x^2)/((1 + x) (1 - 4 x^2)), {x, 0, 33}], x] (* or *) {1, 0}~Join~LinearRecurrence[{-1, 4, 4}, {0, 4, -4}, 32] (* Michael De Vlieger, Mar 17 2017 *)
PROG
(PARI) Vec((1 + x - 4*x^2) / ((1 + x)*(1 - 2*x)*(1 + 2*x)) + O(x^40)) \\ Colin Barker, Mar 17 2017
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Paul Barry, Aug 26 2003
STATUS
approved