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%I #5 Oct 02 2013 15:57:58
%S 126,392,402,418,439,457,464,502,538,577,587,602,612,638,657,722,793,
%T 812,822,838,863,1007,1062,1198,1408,1423
%N Let f(n) be the minimal number of distinct nonzero tetrahedral numbers that add to n (or -1 if n is not a sum of distinct tetrahedral numbers); sequence gives numbers n for which f(n) = 6.
%C It appears that there are just two numbers n for which f(n) = 7, namely 412 and 622 and none with f(n) > 7.
%Y Cf. A000292, A104246, A102795, etc.
%K nonn
%O 1,1
%A _Jud McCranie_, Feb 26 2005
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