131082

Appears in sequences

• Numbers k > 1 such that, in base 8, k and k^2 contain the same digits in the same proportion.at n=27A061662
• a(1) = 11; a(n) = if n == 2 mod 3 then a(n-1)-3, if n == 0 mod 3 then a(n-1)-2, if n == 1 mod 3 then a(n-1)*2.at n=51A085688
• 1/4 the number of (n+1) X 7 0..2 arrays with every 2 X 2 subblock having distinct clockwise edge differences.at n=32A209725
• a(n) = 2^n + 10.at n=17A246139
• Construct a hollow square of 1's of side n and fill its interior with 0's to create a stack of n binary numbers. Express the sum of the stack in decimal.at n=13A269059
• Number of 1s in the first 2^n entries of the Kolakoski sequence, A000002.at n=18A289322
• Number of same-trees of weight n in which all outdegrees are odd.at n=50A300647
• a(n) = (-1)^(n-1) + Sum_{d|n, d>1} a(n/d)^d.at n=50A305572
• Bitmaps of king + rook vs. king checkmate patterns on a standard 8 X 8 board.at n=10A362950