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 A371874 #5 Apr 16 2024 13:43:44 %S A371874 8,1,4,7,1,7,5,6,4,4,1,2,5,7,3,0,7,5,1,4,2,6,7,7,2,6,4,3,8,9,1,3,5,4, %T A371874 2,6,0,1,5,3,1,3,7,8,3,0,8,5,0,2,2,2,7,1,0,3,2,1,1,4,5,1,0,4,8,4,6,9, %U A371874 9,3,8,0,3,0,8,9,9,6,1,6,0,8,3,4,0,9,8,0,2,3 %N A371874 Decimal expansion of 2^1398269 - 1, the 35th Mersenne prime. %C A371874 This prime has 420921 decimal digits and was discovered by Joel Armengaud in 1996. %H A371874 GIMPS, <a href="https://www.mersenne.org/primes/">List of Known Mersenne Prime Numbers</a>. %H A371874 OEIS Wiki, <a href="/wiki/Mersenne_primes">Mersenne primes</a> (with a list of similar sequences). %H A371874 Wikipedia, <a href="http://en.wikipedia.org/wiki/Mersenne_prime">Mersenne prime</a>. %e A371874 81471756441257307514267726438913542601531378308502... %t A371874 IntegerDigits[2^1398269 - 1][[;;100]] %Y A371874 Cf. A000043 (exponents), A000668, A028335 (lengths). %Y A371874 Cf. decimal expansion of Mersenne primes: see OEIS Wiki link. %K A371874 nonn,cons,fini %O A371874 420921,1 %A A371874 _Paolo Xausa_, Apr 10 2024