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 A077019 #15 Feb 16 2025 08:32:48 %S A077019 2,1,0,26,93,118,119,120,531,532,897,1140,1339,1340,1341,1342,1343, %T A077019 1344,9569,15702,15703,15704,15705,19632,19633,19634,19635,31424, %U A077019 31425,31426,31427,31428,31429,31430,31431,31432,31433,155958,155959,155960,155961,155962,155963,155964 %N A077019 a(n) is the smallest number for which the prime distance A051699 is equal to n. %H A077019 David A. Corneth, <a href="/A077019/b077019.txt">Table of n, a(n) for n = 0..775</a> (using b-file from A002386) %H A077019 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PrimeDistance.html">Prime Distance</a> %o A077019 (PARI) d(n) = if(n<1, 2*(n==0), min(nextprime(n)-n, n-precprime(n))); \\ A051699 %o A077019 a(n) = my(k=0); while (d(k) != n, k++); k; \\ _Michel Marcus_, Aug 21 2019 %Y A077019 Cf. A002386, A051699. %K A077019 nonn %O A077019 0,1 %A A077019 _Eric W. Weisstein_, Oct 17 2002 %E A077019 More terms from _Michel Marcus_, Aug 21 2019