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 A383319 #8 Jun 02 2025 15:29:57 %S A383319 64553,5,11,2,37,157,47,17,7,353,389,149,137,19,23,43,467,2539,479, %T A383319 139,2339,359,241,491,401,41,7219,167,2417,3,179,227,809,811,5449, %U A383319 7159,5479,59,127,6073,103,409,521,31,251,3547,937,3943,499,7121,5791,367,29 %N A383319 a(n) = prime(A383318(n)). %H A383319 Dominic McCarty, <a href="/A383319/b383319.txt">Table of n, a(n) for n = 1..10000</a> %o A383319 (Python) %o A383319 from sympy import prime %o A383319 from itertools import count %o A383319 a, b, sa, sb = [6455], [64553], "6455", "64553" %o A383319 for _ in range(30): %o A383319 a.append(next(n for k in count(1) if not (n := int(sb[len(sa):len(sa)+k])) in a and not (len(sb) > len(sa) + k and sb[len(sa) + k] == "0"))) %o A383319 b.append(prime(a[-1])) %o A383319 sa += str(a[-1]); sb += str(b[-1]) %o A383319 print(b) %Y A383319 Cf. A383318, A067928, A383320, A383322, A302656. %K A383319 nonn,base %O A383319 1,1 %A A383319 _Dominic McCarty_, Apr 23 2025