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 A126045 #25 Oct 15 2024 03:23:13 %S A126045 2,3,0,2,3,2,4,1,1,4,2,2,1,2,4,3,1,2,3,3,4,1,3,2,1,4,2,3,3,4,1,4,3,2, %T A126045 4,1,2,3,2,1,3,1,2,2,2,1,4,1 %N A126045 Exponents p of the Mersenne primes 2^p - 1 (see A000043) read mod 5. %F A126045 a(n) = A010874(A000043(n)). - _Michel Marcus_, Apr 07 2018 %t A126045 Array[Mod[MersennePrimeExponent@ #, 5] &, 45] (* _Michael De Vlieger_, Apr 07 2018 *) %Y A126045 Cf. A000043, A010874, A126043-A126059. %K A126045 nonn,more %O A126045 1,1 %A A126045 _Artur Jasinski_, Dec 17 2006 %E A126045 a(45)-a(47) from _Ivan Panchenko_, Apr 08 2018 %E A126045 a(48) from _Amiram Eldar_, Oct 14 2024