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 A329594 #9 Nov 17 2019 19:20:33 %S A329594 2,139,149,1627,1637,1657,18839,18859,18869,18899,123229,123239, %T A329594 123259,123269,123289,776257,776267,776287,776317,776327,776357, %U A329594 3873011,3873041,3873061,3873071,3873091,3873101,3873151,23884639,23884669,23884699,23884709,23884739,23884759,23884769,23884799 %N A329594 Earliest occurrences of n consecutive primes ending in the same decimal digit, written as triangle T(n,k), 1<=k<=n. %C A329594 The n-th row of the table starts with A054681(n). %H A329594 Hugo Pfoertner, <a href="/A329594/b329594.txt">Table of n, a(n) for n = 1..190</a>, rows 1..19, flattened. %H A329594 William F. Sindelar, Mark Underwood, Mikael Klasson, <a href="/A054681/a054681.txt">Gaps Between Consecutive Odds not Divisible by 3</a>, digest of 5 messages in primenumbers Yahoo group, Jun 27 - Jun 29, 2003. [Cached copy] %e A329594 The triangle begins: %e A329594 2; %e A329594 139, 149; %e A329594 1627, 1637, 1657; %e A329594 18839, 18859, 18869, 18899; %e A329594 123229, 123239, 123259, 123269, 123289; %e A329594 776257, 776267, 776287, 776317, 776327, 776357; %Y A329594 Cf. A054681. %K A329594 nonn,base,tabl %O A329594 1,1 %A A329594 _Hugo Pfoertner_, Nov 17 2019