%I
%S 1,2,2,6,4,2,12,30,28,18,20,394,86,672,924,78,936,1036,170,5266,252,
%T 1272,8724,1764,1508,21288,41746,24260,21546,84042,540748,102594,
%U 398354,140482,1577952,45156,3951216,6494324,7529094,3040572,1928368,4437506,2180200,4574010,5487134,468808
%N First differences of A000043.
%C Differences between exponents of Mersenne primes.
%Y Mersenne primes (of form 2^p  1 where p is a prime): A000668, A000043.
%K nonn
%O 1,2
%A Alessio 'BiGAlex' Periloso (bigalex(AT)bigalex.it), Oct 26 2007
%E Checked and extended by _N. J. A. Sloane_, Oct 29 2007
%E More terms from _Derek Maciel_, Jan 07 2018
%E a(45)a(46) from _Ivan Panchenko_, Apr 11 2018
