1953750

Appears in sequences

• Expansion of 1/((1-5*x)*(1-x^5)).at n=9A083590
• 1/7 of the number of 7-colorings of a planar n X n X n triangular grid.at n=3A153470
• G.f. A(x) satisfies A(x)^5 = A(x^5) / (1 - 5*x)^5 with A(0)=1.at n=9A372956
• a(n) = n^4*sigma_5(n).at n=5A386785