28287

Appears in sequences

• Number of 6-ary rooted trees with n nodes and height at most 8.at n=14A036625
• Triangle, read by rows, defined by T(n,k) = T(n-1,k) + T(n,k-1) for nk>0, where T(n,0) = T(n-1,0) + T(n-1,n-1) and T(n,n) = T(n,n-1) for n>0 with T(0,0)=1.at n=42A129577
• Row sums of triangle A129577.at n=7A129580
• Number of terms of A061681 having length = n in decimal representation.at n=4A130890
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1101-0111-0100 pattern in any orientation.at n=11A146856
• Number of chirotopes resulting from realizable uniform oriented matroids of rank 3 over a ground set of n elements modulo permutations.at n=5A172144
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 414", based on the 5-celled von Neumann neighborhood.at n=14A282008
• a(n) = a(n-1) + a(n-2) + gcd(a(n-1), n), a(1) = a(2) = 1.at n=20A360884