16769024

Appears in sequences

• Numbers m such that A007947(m) = A007947(k) and A007947(m+1) = A007947(k+1), for some k < m.at n=11A087914
• Number of bitstrings of length n (with at least two runs) where the last two runs have different lengths.at n=23A208901
• Total area of all squares and rectangles after 2^n stages in the toothpick structure of A139250, assuming the toothpicks have length 2.at n=12A211012
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 261", based on the 5-celled von Neumann neighborhood.at n=11A271061
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 657", based on the 5-celled von Neumann neighborhood.at n=11A273335
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 721", based on the 5-celled von Neumann neighborhood.at n=11A273446
• 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 65", based on the 5-celled von Neumann neighborhood.at n=23A278755
• a(n) = 2*a(n-1) + 2*a(n-2) - 4*a(n-3), a(1) = 0, a(2) = 0, a(3) = 8.at n=22A297619
• Numbers k such that both k and k+1 are nonunitary abundant numbers (A064597).at n=27A327942
• Pairs of integers (k, m) ordered by m with 1 < k < m such that k has the same prime divisors as m, and, k+1 has the same prime divisors as m+1.at n=23A343101
• Numbers k such that k and k+1 are both terms of A347935.at n=1A347937
• Number of solutions of y^2 + y = x^3 + x where x and y are in GF(2^n).at n=23A362374