31587

Appears in sequences

• Sums of two or more distinct 4th powers of primes.at n=37A130833
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 0010-1010-1111 pattern in any orientation.at n=10A146782
• a(n) = 121*n^2 - 204*n + 86.at n=16A157440
• Number of (n+1) X (7+1) 0..2 arrays with every 2 X 2 subblock summing to 4 and no 2 X 2 subblock having exactly two nonzero entries.at n=9A251148
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 161", based on the 5-celled von Neumann neighborhood.at n=37A270452