A100244 a(n) = smallest positive integer such that {1 + product{k=1 to n} a(k)} is coprime to n.

1, 2, 2, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1

Offset

1,2

Comments

a(22) to a(256) are each equal to 1. a(257) = 2.

Links

Table of n, a(n) for n=1..79.

Crossrefs

Sequence in context: A143537 A125916 A283468 * A059689 A334904 A165018

Adjacent sequences: A100241 A100242 A100243 * A100245 A100246 A100247

Keyword

nonn

Author

Leroy Quet, Jan 11 2005

Status

approved