A283245 Square root of the smallest square referenced in A280296 (Squarefree numbers n such that 2^n - 1 is divisible by a square > 1).
3, 7, 3, 3, 3, 3, 3, 7, 11, 3, 3, 31, 3, 3, 3, 3, 7, 3, 23, 3, 7, 3, 31, 3, 3, 3, 7, 3, 3, 7, 3, 3, 3, 3, 31, 3, 7, 23, 3, 3, 3, 3, 3, 43, 3, 7, 3, 3, 7, 3, 3, 3, 3, 23, 3, 11, 7, 3, 3, 3
Offset: 1
Keywords
Examples
A280296(1)=6, 2^6-1 = 63 = 3*3*7, so 63 is not squarefree the square being 3*3=9 and the root is 3.