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A158853 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 A158846 0
2, 0, 3, 1, 0, 1, 5, 0, 3, 6, 0, 7, 18, 0, 8, 10, 0, 21, 50, 0, 26, 43, 0, 67, 204, 0, 79, 93, 0, 213, 398, 0, 279, 445, 0, 684, 1649, 0, 630, 1008, 0, 2135, 4890, 0, 3063, 3681, 0, 6852 (list; graph; refs; listen; history; text; internal format)
OFFSET

11,1

LINKS

Table of n, a(n) for n=11..58.

CROSSREFS

A158846 A156537

Sequence in context: A303110 A079133 A143143 * A238762 A269517 A190440

Adjacent sequences:  A158850 A158851 A158852 * A158854 A158855 A158856

KEYWORD

nonn,uned

AUTHOR

Vladimir Shevelev, Mar 28 2009

STATUS

approved

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Last modified September 19 23:59 EDT 2019. Contains 327207 sequences. (Running on oeis4.)