26536

Appears in sequences

• a(n) = [ (3rd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+2 odd positive integers}.at n=18A024202
• Numerators of continued fraction convergents to sqrt(477).at n=6A041910
• Numbers k such that prime(k) + prime(k+1) + prime(k+2) is a square.at n=28A076305
• a(n) = (2*n^3 - n^2 - n + 2)/2.at n=30A081441
• Number of n X 4 binary arrays without the pattern 0 1 diagonally or vertically.at n=22A188838
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 833", based on the 5-celled von Neumann neighborhood.at n=29A273677
• Increase in the number of fixed polyominoes from order n to order n+1.at n=9A283110
• E.g.f. satisfies A(x) = exp( x*A(x)/(1 - x * A(x)^3) ).at n=5A365013