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A181409
For the numbers n in A181408, these are the largest corresponding k such that 2^n-2^k-1 and 2^n-2^k+1 are twin primes.
2
2, 2, 6, 10, 18, 18, 41, 42, 74, 84, 64, 125, 109, 169, 108, 242, 142, 234, 288, 254, 380, 379, 281, 274, 326, 376, 625, 677, 1122, 1400, 1417, 1934, 1620, 2254, 3584, 3674, 3019, 3548, 6128, 6074
OFFSET
1,1
CROSSREFS
Sequence in context: A127404 A292037 A184842 * A248800 A165941 A054227
KEYWORD
nonn
AUTHOR
Pierre CAMI, Jan 28 2011
STATUS
approved