69916

Appears in sequences

• Numbers whose base-4 representation has exactly 9 runs.at n=6A043600
• Numbers n such that number of runs in the base 4 representation of n is congruent to 1 mod 8.at n=30A043851
• Numbers n such that number of runs in the base 4 representation of n is congruent to 0 mod 9.at n=6A043858
• Numbers k such that number of runs in the base 4 representation of k is congruent to 9 mod 10.at n=6A043876
• Number of subsets of {1,2,3,...,n} that sum to 0 mod 15.at n=20A068036
• Derived from the centered polygonal numbers: start with the first triangular number, then the sum of the first square number and the second triangular number, then the sum of first pentagonal number, the second square number and the third triangular number, and so on and so on...at n=33A141534
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 529", based on the 5-celled von Neumann neighborhood.at n=18A282918