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A144934
Integers n such that n^2 + k is a Mersenne number 2^m - 1 for some k such that n < k < 2 * n and m odd.
1
2, 5, 22, 90, 5792, 46340, 92681, 185363, 370727, 2965820, 5931641, 47453132, 94906265, 759250124, 1518500249, 3037000499, 6074000999, 12148001999, 24296003999, 48592007999, 388736063996, 777472127993, 1554944255987, 6219777023950
OFFSET
1,1
COMMENTS
Subset of A017910.
The corresponding Mersenne number exponents are given by A144933.
CROSSREFS
KEYWORD
nonn
AUTHOR
Reikku Kulon, Sep 25 2008
EXTENSIONS
2, 5 prepended by Max Alekseyev, Feb 17 2011
STATUS
approved