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A187869 a(n) is the concatenation of the numbers appearing in row n of the lexicographically earliest prime pyramid (A051237). 2

%I

%S 1,12,123,1234,14325,143256,1432567,12347658,123476589,12347658910,

%T 1234710985611,123471098561112,12347651211891013,1234761310981112514,

%U 123476131098111251415,12347651211815149101316,1234765121189101316151417,123476589101316151417121118

%N a(n) is the concatenation of the numbers appearing in row n of the lexicographically earliest prime pyramid (A051237).

%Y Cf. A051237.

%K base,nonn

%O 1,2

%A _N. J. A. Sloane_, Mar 14 2011

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Last modified April 11 18:00 EDT 2021. Contains 342888 sequences. (Running on oeis4.)