327681

Appears in sequences

• a(0) = 6; for n>0, a(n) = 2*a(n-1) - 1.at n=16A083575
• a(n) = 1 + (n-6)*2^(n-1).at n=10A115342
• a(n) = 5*4^n+1.at n=8A199115
• a(n) = 10*8^n+1.at n=5A199557
• 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 406", based on the 5-celled von Neumann neighborhood.at n=18A281893
• Number of subsets of {1..n} whose elements have the same number of distinct prime factors.at n=36A339512
• Bitmaps of king + rook vs. king checkmate patterns on a standard 8 X 8 board.at n=24A362950