27586

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 69.at n=28A020408
• Numbers k such that s(k) + s(k+1) + ... + s(k+7) = t(k) + t(k+1) + ... + t(k+7).at n=11A033914
• Integers n > 10553 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 10553.at n=30A063061
• a(n) = n * [1 + sum(k=1 to n-1) prime(k)].at n=26A083719
• Number of planar partitions of n where parts strictly decrease along each row and column.at n=30A114736
• Numbers n such that n''' = n''+ 1 where n'' and n''' are respectively the second and the third arithmetic derivative of n.at n=9A189941
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 187", based on the 5-celled von Neumann neighborhood.at n=33A270675
• 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 494", based on the 5-celled von Neumann neighborhood.at n=14A282662
• a(n) = (7*n^6 - 21*n^5 + 55*n^4 - 75*n^3 + 70*n^2 - 36*n + 8)/8.at n=6A380502