131921

Appears in sequences

• Numerator of a certain Selberg integral.at n=6A051103
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 0), (-1, 1, 1), (0, 0, -1), (1, 0, 0)}.at n=12A148237
• L.g.f.: log(Product_{k>=1} (1 + x^k/(1 + x))) = Sum_{k>=1} a(k)*x^k/k.at n=16A307762