18244

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 90 ones.at n=13A031858
• a(n) = n^2 + (n + 1)^3 + (n + 2)^4 + (n + 3)^5.at n=4A061224
• Members of 3-cycles of permutation A111273.at n=13A113701
• Number of partitions p of n such that (number of even numbers in p) < 2*(number of odd numbers in p).at n=37A241641
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 326", based on the 5-celled von Neumann neighborhood.at n=44A271261
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 643", based on the 5-celled von Neumann neighborhood.at n=23A273314
• a(n) = Sum_{k=1..n} k^3 * n^k.at n=4A368527