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A098237
Composite de Polignac numbers (A006285).
5
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
1,1
COMMENTS
Odd composites that are not the sum of a prime and a power of two.
LINKS
PROG
(Haskell)
a098237 n = a098237_list !! (n-1)
a098237_list = filter ((== 0) . a109925) a071904_list
-- Reinhard Zumkeller, May 27 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Ralf Stephan, Aug 31 2004
STATUS
approved