login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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