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 A057451 #25 Jul 18 2021 16:33:33 %S A057451 6,13,41,179,1063,8527,87803,1128889,17624813,326851121,7069067389, %T A057451 175650481151,4952019383323,156740126985437,5519908106212193, %U A057451 214616508361122337,9150317141480822981 %N A057451 Prime recurrence: a(n+1) = a(n)-th prime, with a(1) = 6. %C A057451 _Lubomir Alexandrov_ informs me that he studied this sequence in his 1965 notebook. - _N. J. A. Sloane_, May 23 2008 %H A057451 Lubomir Alexandrov, <a href="https://arxiv.org/abs/math/9811096">On the nonasymptotic prime number distribution</a>, 1998 preprint, arXiv:math/9811096 [math.NT] (See Appendix.) %H A057451 Lubomir Alexandrov, <a href="http://www1.jinr.ru/Preprints/2002/055(E5-2002-55).pdf">Prime Number Sequences And Matrices Generated By Counting Arithmetic Functions</a>, Communications of the Joint Institute of Nuclear Research, E5-2002-55, Dubna, 2002. %t A057451 NestList[ Prime, 6, 13 ] %Y A057451 Cf. A007097, A057450, A057452, A057453. %K A057451 nonn,hard,more %O A057451 1,1 %A A057451 _Robert G. Wilson v_, Sep 26 2000 %E A057451 a(14) from _Ray Chandler_, Nov 04 2004 %E A057451 a(15)-a(17) from _Robert G. Wilson v_, Mar 07 2017 using Kim Walisch's primecount