130629

Appears in sequences

• Odd numbers n divisible by 3 such that for all k >= 1 the numbers n*2^k - 1 and n*2^k + 1 do not form a twin prime pair.at n=18A237592
• 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 361", based on the 5-celled von Neumann neighborhood.at n=36A281412