A098237 Composite de Polignac numbers (A006285).

905, 959, 1199, 1207, 1211, 1243, 1271, 1477, 1529, 1541, 1589, 1649, 1719, 1807, 1829, 1859, 1927, 1969, 1985, 2171, 2231, 2263, 2279, 2429, 2465, 2669, 2983, 2993, 3029, 3149, 3215, 3239, 3341, 3353, 3431, 3505, 3665, 3817, 3845, 3985

Offset: 1

Author

Ralf Stephan, Aug 31 2004

Keywords

• nonn

Comments

Odd composites that are not the sum of a prime and a power of two.

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A156695.

Cf. A006285, A109925, A065381.

Programs

Haskell

a098237 n = a098237_list !! (n-1)
a098237_list = filter ((== 0) . a109925) a071904_list
-- Reinhard Zumkeller, May 27 2015