%I A002311 M3498 N1419
%S A002311 4,15,55,58,74,109,110,119,140,175,245,294,418,435,452,474,492,
%T A002311 528,535,550,562,588,644,688,702,714,740,747,753,818,868,908,918,1098
%N A002311 n-th tetrahedral number is the sum of 2 tetrahedral numbers.
%D A002311 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A002311 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002311 Aviezri S. Fraenkel, Diophantine equations involving generalized triangular 
               and tetrahedral numbers, pp. 99-114 of A. O. L. Atkin and B. J. Birch, 
               editors, Computers in Number Theory. Academic Press, NY, 1971.
%D A002311 H. Finner and K. Strassburger, Increasing sample sizes do not necessarily 
               increase the power of UMPU-tests for 2 X 2-tables. Metrika, 54, 77-91, 
               (2001).
%D A002311 M. Wunderlich, Certain properties of pyramidal and figurate numbers, 
               Math. Comp., 16 (1962), 482-486.
%H A002311 T. D. Noe, <a href="b002311.txt">Table of n, a(n) for n=1..463</a>
%Y A002311 Cf. A000292.
%Y A002311 Sequence in context: A094821 A071723 A001559 this_sequence A102349 A126932 
               A094833
%Y A002311 Adjacent sequences: A002308 A002309 A002310 this_sequence A002312 A002313 
               A002314
%K A002311 nonn,easy,nice
%O A002311 1,1
%A A002311 N. J. A. Sloane (njas(AT)research.att.com).