-311040

Appears in sequences

• A triangle related to the GF(z) formulas of the rows of the ED1 array A167546.at n=40A167556
• G.f. A(x) satisfies: A(x)^3 + A(-x)^3 = 2 and A(x)^2 - A(-x)^2 = 24*x.at n=6A196869
• a(n) = coefficient of x^(2*n) in A(x) = 1 + Sum_{n>=1} (-1)^n * x^(4*n^2) * (F(x/2)^(2*n) + F(-x/2)^(2*n)), where F(x) is the g.f. of A357787.at n=20A357806