This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A319256 #11 Sep 16 2018 16:41:09
%S A319256 1,1,0,3,3,0,6,6,0,18,28,10,0,30,30,15,75,60,45,225,180,111,111,0,333,
%T A319256 483,150,126,604,478,378,1572,1194,0,3498,3498,351,2115,2044,1333,
%U A319256 4833,4620,2946,2526,2100,8043,11133,9810,5175,13773,13638,810,31194,34584,6630
%N A319256 Expansion of Product_{k>0} (1 + k*(k+1)/2 * x^(k*(k+1)/2)).
%C A319256 Sum of products of terms in all partitions of n into distinct triangular numbers (A000217).
%e A319256 a(16) = 75 because we have [15, 1], [10, 6], 15*1 = 15, 10*6 = 60 and 15 + 60 = 75.
%Y A319256 Cf. A000217, A024940, A282866, A319257.
%K A319256 nonn
%O A319256 0,4
%A A319256 _Seiichi Manyama_, Sep 15 2018