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A115233 Primes p which have a unique representation as p = 2^i + q^j where i >= 0, j >= 1, q = odd prime. 3
2, 23, 37, 41, 43, 47, 59, 67, 71, 73, 79, 101, 103, 107, 127, 131, 137, 151, 163, 179, 193, 211, 223, 233, 239, 251, 277, 281, 311, 317, 359, 367, 379, 389, 397, 409, 431, 439, 449, 457, 467, 479, 487, 491, 521, 541, 557, 577, 607, 631, 643, 659, 673, 683 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..54.

CROSSREFS

Subsequence of A115232. Cf. A115230, A115231.

Cf. A000079, A061345.

Sequence in context: A049556 A049580 A061448 * A007510 A117242 A144550

Adjacent sequences:  A115230 A115231 A115232 * A115234 A115235 A115236

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jan 17 2006

EXTENSIONS

Recomputed (based on recomputation of A115230) by R. J. Mathar and Reinhard Zumkeller, Apr 29 2010.

Edited by N. J. A. Sloane, Apr 30 2010

STATUS

approved

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Last modified November 18 05:25 EST 2017. Contains 294853 sequences.