Search: id:A024940
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%I A024940
%S A024940 1,0,1,1,0,1,1,0,1,2,1,0,1,1,1,2,1,1,2,1,2,2,0,2,3,1,1,3,2,1,4,3,0,3,3,
               2,4,
%T A024940 3,3,3,2,3,3,2,4,6,4,2,5,4,2,6,5,3,7,6,3,5,5,5,6,5,4,7,7,6,8,6,5,9,7,4,
               9,9,
%U A024940 6,10,9,4,9,10,8,11,11,9,10,10,9,10,10,9,14,14,7,14,14,7,15,15,8,15,17,
               13
%N A024940 Number of partitions of n into distinct triangular numbers C(k,2).
%H A024940 T. D. Noe, <a href="b024940.txt">Table of n, a(n) for n = 1..1000</a>
%F A024940 For n>0: a(n) = b(n, 1) where b(n, k) = if n>k*(k+1)/2 then b(n-k*(k+1)/
               2, k+1) + b(n, k+1) else (if n=k*(k+1)/2 then 1 else 0). - Reinhard 
               Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 26 2003
%t A024940 Drop[ CoefficientList[ Series[ Product[(1 + x^(k*(k + 1)/2)), {k, 1, 
               15}], {x, 0, 102}], x], 1]
%Y A024940 Cf. A000217.
%Y A024940 Sequence in context: A053259 A143842 A092876 this_sequence A054635 A003137 
               A006842
%Y A024940 Adjacent sequences: A024937 A024938 A024939 this_sequence A024941 A024942 
               A024943
%K A024940 nonn
%O A024940 1,10
%A A024940 Clark Kimberling (ck6(AT)evansville.edu)

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