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A158855 a(n), a(n+1), a(n+2), for n=5,8,11,... are respectively the numbers of representations of the integers 2^k-2, 2^k, 2^k+2, where k=(n+4)/3, by unordered sums of two odd primes not belonging to A158847 0
2, 0, 2, 5, 0, 4, 6, 0, 7, 18, 0, 8, 10, 0, 23, 51, 0, 25, 43, 0, 68, 206, 0, 79, 93, 0, 214, 397, 0, 280, 445, 0, 684, 1650, 0, 630, 1008, 0, 2136, 4894, 0, 3065, 3682, 0, 6853 (list; graph; refs; listen; history; text; internal format)
OFFSET

14,1

LINKS

Table of n, a(n) for n=14..58.

CROSSREFS

A158847 A156537

Sequence in context: A052438 A324045 A209701 * A344908 A005074 A161564

Adjacent sequences:  A158852 A158853 A158854 * A158856 A158857 A158858

KEYWORD

nonn,uned

AUTHOR

Vladimir Shevelev, Mar 28 2009

STATUS

approved

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Last modified September 17 03:42 EDT 2021. Contains 347478 sequences. (Running on oeis4.)