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A208574
Union of A208572 and A208573.
2
3, 5, 11, 17, 29, 41, 59, 71, 101, 137, 197, 269, 419, 521, 809, 1031, 1607, 2081, 3119, 4127, 6197, 8219, 12377, 16451, 24917, 32801, 49169, 65537, 98321, 131111, 196661, 262151, 393299, 524351, 786551, 1048889, 1572869, 2097257, 3145739, 4194581, 6292007
OFFSET
1,1
CROSSREFS
KEYWORD
nonn
AUTHOR
Washington Bomfim, Feb 28 2012
STATUS
approved