A205100 The index j<k such that n divides k!!-j!!, where k is the least index (A204982) for which such j exists.

1, 1, 2, 3, 3, 2, 1, 4, 3, 4, 5, 3, 2, 1, 3, 6, 3, 5, 6, 4, 6, 10, 2, 6, 5, 1, 8, 6, 5, 5, 7, 8, 5, 3, 7, 8, 5, 2, 6, 4, 5, 6, 6, 10, 3, 2, 1, 6, 7, 9, 3, 1, 9, 8, 10, 6, 6, 4, 1, 7

Offset

1,3

Comments

For a guide to related sequences, see A204892.

Links

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

Mathematica

(See the program at A204982.)

Crossrefs

Cf. A204982, A204892.

Sequence in context: A107336 A282013 A275299 * A156613 A285555 A078041

Adjacent sequences: A205097 A205098 A205099 * A205101 A205102 A205103

Keyword

nonn

Author

Clark Kimberling, Jan 22 2012

Status

approved