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A178656
The positions of products of 2 primes that are the differences of 2 primes in A002808.
0
1, 2, 4, 5, 8, 13, 15, 21, 22, 35, 38, 41, 59, 61, 63, 87, 90, 92, 107, 110, 136, 144, 155, 158, 165, 166, 215, 227, 232, 235, 240, 252, 254, 283, 286, 306, 316, 330, 360, 363, 366, 386, 398, 408, 435, 437, 438, 459, 467, 483, 507, 530, 557, 560, 568, 571, 589
OFFSET
1,2
COMMENTS
The positions of A124588(m)*A124588(k) in A002808.
FORMULA
A002808(a(n))=A124588(m)*A124588(k).
CROSSREFS
Sequence in context: A023745 A217136 A294944 * A085443 A164571 A238589
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected (254 inserted) by R. J. Mathar, Jun 04 2010
STATUS
approved