A204997 The square j^2 such that n divides k^2-j^2>0, where k is the least positive integer for which such a j exists.

1, 1, 1, 1, 4, 4, 9, 1, 16, 16, 25, 4, 36, 36, 1, 9, 64, 9, 81, 16, 4, 100, 121, 1, 25, 144, 9, 36, 196, 4, 225, 4, 16, 256, 1, 9, 324, 324, 25, 9, 400, 16, 441, 100, 4, 484, 529, 1, 49, 25, 49, 144, 676, 36, 9, 25, 64, 784, 841, 4

Offset

1,5

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: A363683 A143183 A165441 * A178840 A246668 A021073

Adjacent sequences: A204994 A204995 A204996 * A204998 A204999 A205000

Keyword

nonn

Author

Clark Kimberling, Jan 21 2012

Status

approved