38992

Appears in sequences

• Monotonic ordering of set S generated by these rules: if x and y are in S then x^2+y^2-xy is in S, and 2 is in S.at n=30A192533
• Number of permutations avoiding the consecutive pattern 45231.at n=7A202233
• Number of permutations avoiding the consecutive pattern 32415.at n=7A202235
• First column of A316273. Recurrence similar to series reversion giving Catalan numbers.at n=12A239605
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 289", based on the 5-celled von Neumann neighborhood.at n=39A271127
• Number of solutions to 3 +- 7 +- 13 +- 19 +- ... +- prime(4*n) = 0.at n=12A292698
• a(n) = (-1)^n * hypergeom([-n, n/2 + 1, n/2 + 1/2], [1, n + 2], 4). Central terms of A379907.at n=8A379823
• a(n) = n!^3 * Sum_{k=0..n} Stirling2(2*k,k) * Stirling2(2*n-2*k,n-k) / binomial(n,k)^3.at n=3A384492