OFFSET
0,6
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..1000
Eric Weisstein's World of Mathematics, Mock Theta Function
FORMULA
a(n) = (-1)^n * A291193(n).
G.f.: 1/nu(-q) where nu(q) is the '3rd-order' mock theta function defined by Sum_{n >= 0} q^(n(n+1))/((1+q)(1+q^3)...(1+q^(2n+1))).
G.f.: 1/Sum_{n >= 0} q^(n(n+1))/((1-q)*(1-q^3)...(1-q^(2n+1)).
KEYWORD
sign
AUTHOR
Seiichi Manyama, Aug 20 2017
STATUS
approved