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Triangle read by rows: arrange primes in a triangle so that sum of every row is a triangular number.
3

%I #3 Dec 05 2013 19:56:49

%S 3,2,13,5,7,43,11,17,19,31,23,29,37,41,101,47,53,59,61,67,241,71,73,

%T 79,83,89,97,103,107,109,113,127,131,137,139,313,149,151,157,163,167,

%U 173,179,181,571,191,193,197,199,211,223,227,229,233,443

%N Triangle read by rows: arrange primes in a triangle so that sum of every row is a triangular number.

%C Rearrangement of primes such that the sum of the next n terms is a triangular number.

%Y Cf. A093923, A093924, A093925.

%K nonn,tabl

%O 1,1

%A _Amarnath Murthy_, Apr 25 2004

%E Corrected and extended by Matthew Howells (mathmatt(AT)gmail.com), Oct 01 2004