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A096694
Lesser of twin balanced primes (A090403).
0
149, 227, 419, 1997, 3329, 3671, 5501, 6449, 13691, 15887, 21647, 22481, 26711, 27749, 31247, 32411, 32831, 37547, 39227, 41759, 44027, 47777, 49121, 50261, 53231, 54539, 54917, 55217, 64877, 69149, 71411, 74717, 90821, 93239, 107069
OFFSET
1,1
MATHEMATICA
f[n_] := f[n] = Block[{c = 0, k = 1, p = Prime[n], s = Plus @@ Table[ Prime[i], {i, n - 1, n + 1}]}, While[k != n - 1, If[s == (2k + 1)p, c++ ]; k++; s = s + Prime[n - k] + Prime[n + k]]; c]; p = Prime[ Select[ Range[2, 22456], f[ # ] != 0 &]]; Transpose[ Select[ Partition[p, 2, 1], #[[1]] + 2 == #[[2]] &]][[1]]
CROSSREFS
Cf. A090403.
Sequence in context: A142029 A216970 A059223 * A144315 A267490 A365405
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jun 28 2004
STATUS
approved