A205011 The index j<k such that n divides C(2k-2,k-1)-C(2j-2,j-1), where k is the least index (A205010) for which such j exists.

1, 2, 2, 2, 1, 2, 3, 3, 2, 4, 7, 6, 5, 3, 6, 3, 2, 2, 1, 6, 6, 7, 1, 6, 4, 5, 3, 6, 4, 6, 11, 3, 7, 2, 2, 4, 2, 7, 8, 5, 3, 6, 15, 7, 4, 4, 1, 6, 2, 4, 3, 8, 6, 3, 9, 6, 7, 4, 18, 6

Offset

1,2

Comments

For a guide to related sequences, see A204892.

Links

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

Mathematica

(See the program at A205010.)

Crossrefs

Cf. A205010, A204892.

Sequence in context: A346389 A056691 A262982 * A130790 A261904 A297030

Adjacent sequences: A205008 A205009 A205010 * A205012 A205013 A205014

Keyword

nonn

Author

Clark Kimberling, Jan 22 2012

Status

approved