41075

Appears in sequences

• a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Lucas numbers), t = (odd natural numbers).at n=25A024473
• a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Lucas numbers), t = (odd natural numbers).at n=24A025093
• a(n) = floor(sqrt(a(n-1)^2 + a(n-2)^2)), a(1)=100, a(2)=300.at n=22A104908
• Column 2 of triangle A113983; also a(n) = A113983(n+1,1) + [A113983^2](n,1).at n=9A113985
• a(n) = sum of n consecutive cubes after n^3.at n=9A116149
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 609", based on the 5-celled von Neumann neighborhood.at n=34A273210
• Total volume of all cubes with side length q such that n = p + q and p <= q.at n=20A303383
• Number of Baxter matrices of size 3 X n.at n=16A347673
• Numbers k such that sigma(k) = psi(k) + tau(k)^3.at n=14A390297