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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

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