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 A055078 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. 0
 33, 68, 88, 103, 138, 143, 173, 183, 198, 208, 243, 253, 278, 298, 308, 313, 348, 363, 373, 383, 403, 413, 418, 453, 468, 473, 488, 523, 528, 558, 563, 578, 583, 593, 608, 628, 638, 643, 658, 663, 668, 693, 698, 733, 748, 753, 758, 763, 768, 778, 803, 838 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS 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. REFERENCES R. K. Guy, Unsolved Problems In Number Theory, section C20. LINKS Table of n, a(n) for n=1..52. CROSSREFS Cf. A024702. Sequence in context: A248038 A032661 A256029 * A256022 A044135 A044516 Adjacent sequences: A055075 A055076 A055077 * A055079 A055080 A055081 KEYWORD nonn AUTHOR Jud McCranie, Jun 20 2000 STATUS approved

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Last modified June 25 03:51 EDT 2024. Contains 373694 sequences. (Running on oeis4.)