40341

Appears in sequences

• Molien series for Conway group Con.0.at n=41A008925
• Number of pentagonal regions in regular n-gon with all diagonals drawn.at n=46A067152
• Sum of the Fibonacci numbers A000045 and the factorials A000142.at n=8A080568
• Number of 2-sided triangular strip polyedges with n cells.at n=8A151541
• Expansion of g.f. (1/2)*( a*(1+x)^n + b*(1-x)^(n+2)*LerchPhi(x, -n-1, 1) + c*2^(n+1)*(1-x)^(n+1)*LerchPhi(x, -n, 1/2) ), where a = -4, b = 2, and c = 2, read by rows.at n=46A168518
• Expansion of g.f. (1/2)*( a*(1+x)^n + b*(1-x)^(n+2)*LerchPhi(x, -n-1, 1) + c*2^(n+1)*(1-x)^(n+1)*LerchPhi(x, -n, 1/2) ), where a = -4, b = 2, and c = 2, read by rows.at n=53A168518