%I #9 Nov 17 2019 19:20:33
%S 2,139,149,1627,1637,1657,18839,18859,18869,18899,123229,123239,
%T 123259,123269,123289,776257,776267,776287,776317,776327,776357,
%U 3873011,3873041,3873061,3873071,3873091,3873101,3873151,23884639,23884669,23884699,23884709,23884739,23884759,23884769,23884799
%N Earliest occurrences of n consecutive primes ending in the same decimal digit, written as triangle T(n,k), 1<=k<=n.
%C The n-th row of the table starts with A054681(n).
%H Hugo Pfoertner, <a href="/A329594/b329594.txt">Table of n, a(n) for n = 1..190</a>, rows 1..19, flattened.
%H 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 The triangle begins:
%e 2;
%e 139, 149;
%e 1627, 1637, 1657;
%e 18839, 18859, 18869, 18899;
%e 123229, 123239, 123259, 123269, 123289;
%e 776257, 776267, 776287, 776317, 776327, 776357;
%Y Cf. A054681.
%K nonn,base,tabl
%O 1,1
%A _Hugo Pfoertner_, Nov 17 2019