A283452 The smallest square referenced in A248214 (Least integer b > 0 such that b^n + 1 is not squarefree).

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

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