A205103 k!!-j!!, where (k!!,j!!) is the least pair of double factorials for which n divides their difference.

1, 2, 6, 12, 5, 6, 7, 40, 45, 40, 33, 12, 13, 14, 45, 336, 102, 90, 57, 40, 336, 42240, 46, 336, 3825, 104, 3456, 336, 645105, 90, 279, 3456, 33, 102, 840, 3456, 46065, 3838, 897, 40, 369, 336, 2026977, 42240, 45, 46, 47, 336, 10290, 9450, 102, 104

Offset

1,2

Comments

For a guide to related sequences, see A204892.

Links

Table of n, a(n) for n=1..52.

Mathematica

(See the program at A204982.)

Crossrefs

Cf. A204982, A204892.

Sequence in context: A054579 A277962 A209386 * A367575 A165822 A014965

Adjacent sequences: A205100 A205101 A205102 * A205104 A205105 A205106

Keyword

nonn

Author

Clark Kimberling, Jan 22 2012

Status

approved