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 A283245 Square root of the smallest square referenced in A280296 (Squarefree numbers n such that 2^n - 1 is divisible by a square > 1). 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..60. EXAMPLE 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. CROSSREFS Cf. A280296, A283092. Sequence in context: A135613 A019973 A010623 * A066065 A145511 A242461 Adjacent sequences: A283242 A283243 A283244 * A283246 A283247 A283248 KEYWORD nonn AUTHOR Robert Price, Mar 06 2017 STATUS approved

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Last modified May 23 07:28 EDT 2024. Contains 372760 sequences. (Running on oeis4.)