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Write n as a sum of terms of the form (p^2-1)/24 where p is a prime > 4; sequence gives those n which require at least 4 terms.
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%I #7 Mar 30 2012 18:34:54

%S 33,68,88,103,138,143,173,183,198,208,243,253,278,298,308,313,348,363,

%T 373,383,403,413,418,453,468,473,488,523,528,558,563,578,583,593,608,

%U 628,638,643,658,663,668,693,698,733,748,753,758,763,768,778,803,838

%N Write n as a sum of terms of the form (p^2-1)/24 where p is a prime > 4; sequence gives those n which require at least 4 terms.

%C Chowla conjectures that all numbers are the sum of no more than four terms of the form (p^2-1)/24 where p is a prime > 4.

%D R. K. Guy, Unsolved Problems In Number Theory, section C20.

%Y Cf. A024702.

%K nonn

%O 1,1

%A _Jud McCranie_, Jun 20 2000