-1378

Appears in sequences

• Expansion of (1-4*x)/(1-x*(1-x)^3).at n=13A119306
• Fourth column (m=3) of triangle A128494.at n=46A128498
• Fourth column (m=3) of triangle A128494.at n=47A128498
• G.f. A(x) satisfies the condition that both A(x) and F(x) = A(x*F(x)^2) have zeros for every other coefficient after initial terms; dual sequence A157302 satisfies the same condition.at n=6A157305
• Expansion of g.f.: 2^(floor((n+1)/2))*n!*(1-y)^(n+1)*f(x, y, m), where f(x, y, m) = 2^(m+1)*exp(2^m*t)/((1-y*exp(t))*(1 + (2^(m+1)-1)*exp(2^m*t))), and m = 1.at n=35A171695
• Expansion of Sum_{k>=0} x^(k*(k+1)/2) / Product_{j=1..k} (1 + x^j)^j.at n=49A306706
• Expansion of Sum_{k>0} x^(2*k)/(1+x^k)^3.at n=52A363022