A244073 Odd integers n such that for every integer k>0, n*2^k-1 has a divisor in the set {3, 5, 7, 13, 19, 73, 109}.

1744117, 6975809, 7790113, 11942443, 13006807, 16861093, 16882181, 17207051, 20003369, 20147891, 21013423, 25638127, 42918821, 45113083, 47285977, 48635609, 49884041, 53335151, 53538727, 56592041, 63412693, 63750101, 64062209, 65739209

Offset: 1

Author

Pierre CAMI, Jun 19 2014

Keywords

• nonn

Comments

For n > 144 a(n) = a(n-144) + 412729590, the first 144 values are in the table.

Links

• Pierre CAMI, Table of n, a(n) for n = 1..144

Crossrefs

Cf. A076337, A244070, A244071, A244072, A244074, A244076.

Formula

For n > 144, a(n) = a(n-144) + 412729590.