1,2
Differences between exponents of Mersenne primes.
Mersenne primes (of form 2^p - 1 where p is a prime): A000668, A000043.
Adjacent sequences: A134455 A134456 A134457 this_sequence A134459 A134460 A134461
Sequence in context: A138565 A137316 A064851 this_sequence A009279 A059943 A112336
nonn
Alessio 'BiGAlex' Periloso (bigalex(AT)bigalex.it), Oct 26 2007
Checked and extended by N. J. A. Sloane (njas(AT)research.att.com), Oct 29 2007
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