OFFSET
0,2
LINKS
Jinyuan Wang, Table of n, a(n) for n = 0..1000
PROG
(PARI) a(n) = if( n<0, 0, polcoeff( (1 + 2 * x * Ser(qfrep( [ 2, 1; 1, 10], n, 1)))^2, n)); \\ Jinyuan Wang, Feb 19 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Jinyuan Wang, Feb 19 2020
STATUS
approved