A244924 Odd integers n such that for every integer k>0, n*2^k-1 has a divisor in the set { 3, 5, 7, 13, 17, 97, 673 }.

73520771, 108288041, 127499219, 141239113, 160792529, 198545797, 205293103, 217763051, 227258803, 262056089, 269931509, 303224819, 307060289, 353982553, 368427809, 430034677, 525141899, 581603107, 585721991, 600824113, 612314921, 644606467, 718519237, 723522461

Offset: 1

Author

Pierre CAMI, Jul 08 2014

Keywords

• nonn

Comments

For n > 96 a(n) = a(n-96) + 3029691210, the first 96 values are given in the table.

Links

• Pierre CAMI, Table of n, a(n) for n = 1..96

Crossrefs

Cf. A244070, A244071, A244072, A244073, A244074, A244076.

Formula

For n > 96 a(n)=a(n-96) + 3029691210