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A039513
2i + 1 such that A039508(i) = 2.
2
7, 19, 21, 31, 41, 43, 53, 57, 63, 67, 89, 93, 107, 109, 113, 123, 129, 139, 157, 159, 171, 179, 189, 197, 201, 211, 227, 267, 271, 277, 279, 293, 321, 327, 339, 367, 369, 387, 397, 401, 417, 449, 461, 463, 471, 477, 513, 521, 537, 541, 563, 567, 569, 591
OFFSET
0,1
CROSSREFS
KEYWORD
nonn
AUTHOR
Christian G. Bower, Feb 15 1999
STATUS
approved