19395

Appears in sequences

• Number of compositions of n such that each part is adjacent to an equal part.at n=27A114901
• Coefficients in the expansion of C^2/B^10, in Watson's notation of page 106.at n=6A160458
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 470", based on the 5-celled von Neumann neighborhood.at n=36A272421
• Numbers k such that (18^k - 1)^2 - 2 is prime.at n=11A364078
• Number of integer partitions of n whose semi-sums do not cover an interval of positive integers.at n=37A367403