22485

Appears in sequences

• Expansion of 1/((1-x)*(1-2*x)*(1-7*x)*(1-8*x)).at n=4A021224
• a(n)^2 is the smallest square containing exactly n 5's.at n=4A048350
• Number of non-crossing connected graphs on n nodes on a circle in which a fixed (distinguished) node has degree one.at n=6A089436
• Maximum number of points visible from some point in a cubic n x n x n lattice.at n=29A141227
• Triangle read by rows: T(n,k) is the number of non-crossing connected graphs on n nodes on a circle in which the root (a distinguished node) has degree k (n >= 2, 1 <= k <= n-1).at n=21A143022
• a(n) = 100*n^2 - n.at n=14A157659
• a(n) = 225*n^2 - 15.at n=9A158559
• a(n) = smallest number m such that m^2 has exactly n decimal digits n.at n=5A179895
• G.f.: A(x) = exp( Sum_{n>=1} 5*5^A112765(n) * x^n/n ), where A112765 is the exponent of the highest power of 5 dividing n.at n=18A195760
• Expansion of Product_{k>=1} (1 + x^(k^2))^(k^2).at n=51A291649
• a(n) is the number of edges formed by n-secting the angles of a pentagon.at n=42A335555