This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A134458 #35 May 16 2024 11:57:59 %S A134458 1,2,2,6,4,2,12,30,28,18,20,394,86,672,924,78,936,1036,170,5266,252, %T A134458 1272,8724,1764,1508,21288,41746,24260,21546,84042,540748,102594, %U A134458 398354,140482,1577952,45156,3951216,6494324,7529094,3040572,1928368,4437506,2180200,4574010,5487134,468808,14772552 %N A134458 First differences of A000043. %C A134458 Differences between exponents of Mersenne primes. %Y A134458 Mersenne primes (of form 2^p - 1 where p is a prime): A000668, A000043. %K A134458 nonn %O A134458 1,2 %A A134458 Alessio 'BiGAlex' Periloso (bigalex(AT)bigalex.it), Oct 26 2007 %E A134458 Checked and extended by _N. J. A. Sloane_, Oct 29 2007 %E A134458 More terms from _Derek Maciel_, Jan 07 2018 %E A134458 a(45)-a(46) from _Ivan Panchenko_, Apr 11 2018 %E A134458 a(47) from _Rodolfo Ruiz-Huidobro_, May 16 2024