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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

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

PROG

(Haskell)

a098237 n = a098237_list !! (n-1)

a098237_list = filter ((== 0) . a109925) a071904_list

-- Reinhard Zumkeller, May 27 2015

CROSSREFS

Cf. A156695.

Cf. A006285, A109925, A065381.

Sequence in context: A252390 A218158 A249706 * A068856 A235949 A181257

Adjacent sequences:  A098234 A098235 A098236 * A098238 A098239 A098240

KEYWORD

nonn

AUTHOR

Ralf Stephan, Aug 31 2004

STATUS

approved

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Last modified May 19 17:48 EDT 2019. Contains 323395 sequences. (Running on oeis4.)