37580

Appears in sequences

• Number of red-black rooted trees with n-1 internal nodes.at n=18A001131
• Second (lower) diagonal of partition triangle A047812.at n=17A007045
• a(n) = Sum_{k=1..n} k*[ (n/k)*[ (n/k)*[ n/k ] ] ].at n=28A024933
• Bisection of Lucas triangle A060922: even-indexed members of column sequences of A060922 (not counting leading zeros).at n=31A060923
• Third convolution of Lucas numbers A000032(n+1), n >= 0.at n=8A060930
• Fourth column of Lucas bisection triangle (even part).at n=4A061170
• Least number 2k such that p^3 divides the numerator of the Bernoulli number B(2k), where p is the n-th irregular prime, A000928(n).at n=0A092682
• Least even integer k such that numerator(B_k) == 0 (mod 37^n).at n=2A251782
• Number of maximal cliques in the n X n queen graph.at n=36A288947