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A128654
Primes occurring in A084704 exactly thrice.
3
263, 821, 953, 1049, 1597, 2143, 2273, 2677, 2683, 2699, 2749, 3251, 3389, 3709, 3739, 3761, 3929, 4013, 4243, 4409, 4519, 4603, 4621, 4639, 4657, 4943, 5009, 5387, 5449, 5483, 5783, 6173, 6311, 6373, 6703, 6737, 6869, 6983, 7517, 7603, 7717, 7993
OFFSET
1,1
EXAMPLE
263 occurs as the 42nd, 51st and 53rd terms: (prime(#)+263)/2/(AT){43,52,54}= {227,251,257} primes.
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Mar 18 2007
STATUS
approved