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A186300
(A007521(n)+1)/2.
1
3, 7, 15, 19, 27, 31, 51, 55, 75, 79, 87, 91, 99, 115, 135, 139, 147, 159, 175, 187, 195, 199, 211, 231, 255, 271, 279, 307, 327, 331, 339, 351, 355, 367, 379, 387, 399, 411, 415, 427, 439, 471, 499, 507, 511, 531, 535, 547, 555, 559, 591, 607
OFFSET
1,1
FORMULA
a(n) = A186299(n)+1.
CROSSREFS
Sequence in context: A111294 A092899 A075694 * A323650 A350696 A144751
KEYWORD
nonn
AUTHOR
Marco Matosic, Feb 17 2011
STATUS
approved