This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A282689 The smallest square referenced in A280149 (Numbers n such that 3^n - 2^n is not squarefree). 3
 25, 529, 25, 529, 25, 529, 25, 49, 529, 25, 169, 529, 361, 25, 529, 25, 529, 25, 49, 529, 25, 529, 25, 169, 25, 361, 25, 529, 49, 25, 529, 25, 529, 25, 529, 169, 25, 529, 49, 25, 361, 529, 25, 529, 25, 529, 25, 841, 169, 529, 25, 25, 361, 25, 529, 25, 529 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert Price, Table of n, a(n) for n = 1..127 EXAMPLE A280149(1)=10, 3^10-2^10=58025, 58025=5*5*11*211, so 58025 is not squarefree the square being 5*5=25. CROSSREFS Cf. A280149, A282688. Sequence in context: A118445 A000497 A028341 * A282874 A144942 A122140 Adjacent sequences:  A282686 A282687 A282688 * A282690 A282691 A282692 KEYWORD nonn AUTHOR Robert Price, Feb 20 2017 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified February 16 21:59 EST 2019. Contains 320200 sequences. (Running on oeis4.)