A204996 Least k^2 such that n divides k^2-j^2 for some j<k.

4, 9, 4, 9, 9, 16, 16, 9, 25, 36, 36, 16, 49, 64, 16, 25, 81, 81, 100, 36, 25, 144, 144, 25, 100, 196, 36, 64, 225, 64, 256, 36, 49, 324, 36, 81, 361, 400, 64, 49, 441, 100, 484, 144, 49, 576, 576, 49, 196, 225, 100, 196, 729, 144, 64, 81, 121, 900, 900, 64

Offset

1,1

Comments

For a guide to related sequences, see A204892.

Links

Table of n, a(n) for n=1..60.

Mathematica

(See the program at A204994.)

Crossrefs

Cf. A204892, A204994.

Sequence in context: A113484 A061767 A131016 * A061369 A361400 A291645

Adjacent sequences: A204993 A204994 A204995 * A204997 A204998 A204999

Keyword

nonn

Author

Clark Kimberling, Jan 21 2012

Status

approved