39565

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 73.at n=30A020412
• Floor of sum of the first n^2 square roots.at n=39A138357
• Begin with a(0) = 3. Let a(n) for n > 0 be the smallest positive integer not yet in the sequence which forms part of a Primitive Pythagorean Triple (PPT) when paired with a(n-1).at n=39A239356
• Number of (n+2) X (4+2) 0..1 arrays with no 3 x 3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=9A258890
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 237", based on the 5-celled von Neumann neighborhood.at n=37A270982
• Numbers k such that w(k-2), w(k-1), and w(k) are all odd, where w is A336957.at n=15A338070