A205379 The index j<k such that n divides s(k)-s(j) for some j, where s(j)=(2j-1)^2.

1, 1, 1, 1, 2, 1, 3, 1, 2, 2, 5, 1, 6, 3, 1, 2, 8, 2, 9, 2, 1, 5, 11, 1, 3, 6, 2, 3, 14, 1, 15, 4, 3, 8, 2, 2, 18, 9, 4, 2, 20, 1, 21, 5, 1, 11, 23, 1, 4, 3, 6, 6, 26, 2, 1, 3, 7, 14, 29, 1

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 A205378.)

Crossrefs

Cf. A205378, A204892.

Sequence in context: A035306 A101691 A349445 * A238881 A070094 A344227

Adjacent sequences: A205376 A205377 A205378 * A205380 A205381 A205382

Keyword

nonn

Author

Clark Kimberling, Jan 26 2012

Status

approved