A282689 - OEIS

A282689

The smallest square referenced in A280149 (Numbers n such that 3^n - 2^n is not squarefree).

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: A000497 A353116 A028341 * A282874 A144942 A122140

Adjacent sequences: A282686 A282687 A282688 * A282690 A282691 A282692

KEYWORD

nonn

AUTHOR

Robert Price, Feb 20 2017

STATUS

approved