%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