-6796domain: ZAppears in sequencesExpansion of g.f.: A(x) = Product_{n>=0} ( 1 + x*(1+x)^n )^( 1/2^(n+1) ).at n=12A122992Row 3 in rectangular array A292929.at n=21A294066a(n) = [x^n] 1/(Sum_{k>=0} x^(k^2))^n.at n=9A363780