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A283452 The smallest square referenced in A248214 (Least integer b > 0 such that b^n + 1 is not squarefree). 0
4, 25, 9, 289, 4, 25, 4, 289, 9, 25, 4, 289, 4, 25, 9, 591361, 4, 25, 4, 289, 9, 25, 4, 289, 4, 169, 9, 289, 4, 25, 4, 37249, 9, 289, 4, 289, 4, 25, 9, 289, 4, 25, 4, 289, 9, 25, 4, 9409, 4, 25, 9, 289, 4, 25, 121, 289, 9, 25, 4, 289, 4, 25, 9, 66049, 4, 25, 4, 289, 9, 25, 4, 289, 4, 1369, 9, 289, 4, 169 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..78.

EXAMPLE

A248214(2)=7, 7^2 + 1 = 50 = 2*5*5, so 50 is not squarefree, the square being 5*5 = 25.

CROSSREFS

Cf. A248214, A248576.

Sequence in context: A185070 A272680 A082202 * A051514 A103363 A111446

Adjacent sequences:  A283449 A283450 A283451 * A283453 A283454 A283455

KEYWORD

nonn

AUTHOR

Robert Price, Mar 07 2017

STATUS

approved

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Last modified July 12 22:46 EDT 2020. Contains 335669 sequences. (Running on oeis4.)