A292442 a(n) = A292441(n)^2.

1, 1, 1, 4, 1, 36, 4, 4, 9, 4, 4, 4, 4, 100, 900, 144, 9, 36, 100, 100, 36, 4, 4, 3600, 900, 1764, 1764, 784, 4, 16, 16, 16, 441, 196, 196, 36, 4, 4, 100, 19600, 196, 15876, 36, 3600, 8100, 144, 7056, 7056, 44100, 900, 324, 144, 36, 1296, 16, 16, 36, 16, 16

Offset

0,4

Links

Table of n, a(n) for n=0..58.

Eric Weisstein's World of Mathematics, Erdős Squarefree Conjecture

Formula

a(n) > 1 for n > 4.

Crossrefs

Cf. A000984, A292441.

Sequence in context: A277169 A144284 A144285 * A091741 A061036 A217020

Adjacent sequences: A292439 A292440 A292441 * A292443 A292444 A292445

Keyword

nonn

Author

Seiichi Manyama, Sep 16 2017

Status

approved