OFFSET
0,2
COMMENTS
a(n) = -A262940(4*n-1) for n>=1.
LINKS
Paul D. Hanna, Table of n, a(n) for n = 0..255
PROG
(PARI) {a(n) = local(A=[1, 1]); for(k=3, 4*n+2, A=concat(A, 0); m=2^valuation(k, 2); A[k] = 1 - Vec(Ser(A)^m)[k]/m ); A[4*n+2]}
for(n=0, 32, print1(a(n), ", "))
CROSSREFS
KEYWORD
sign
AUTHOR
Paul D. Hanna, Oct 04 2015
STATUS
approved