129685

Appears in sequences

• a(n) = A027113(n, 2n-5).at n=10A027123
• Zeroless numbers n such that n and n^2 have the same set of decimal digits.at n=27A257763
• Numbers of squares formed by this procedure on n-th step: Step 1, draw a unit square. Step n, draw a unit square with center in every intersection of lines of the figure in step n-1.at n=36A336288
• Smallest possible value of |Sum_{k=0..n} (+-) 2^k * 3^(n-k)|, where each (+-) can be either plus or minus sign, independently for each term in the sum.at n=27A349544