249612

Appears in sequences

• a(n)=60*sum(1<=i<=j<=k<=n,i^2*j/k).at n=11A088942
• Molecular topological indices of the graph join C_n + C_n of cycle graphs.at n=30A192848
• A sequence related to Le Corbusier's Modulor: round(phi^(-13 + n)*183).at n=28A228779
• G.f.: Sum_{n>=0} (n+1)*(n+2)/2 * (x + x^n)^n.at n=71A325998
• Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 2 + 4*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2*x - x^2.at n=42A367298