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 A051383 Sum of two (possibly negative) cubes in at least 3 ways. 4
 728, 3367, 4104, 5824, 5859, 19656, 26936, 32832, 46592, 46683, 46872, 65728, 68913, 90909, 91000, 101528, 110808, 124488, 134379, 152551, 155736, 157248, 158193, 165464, 168112, 184464, 195841, 205352, 215488, 249704, 262656 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Chai Wah Wu, Table of n, a(n) for n = 1..34042 EXAMPLE 4104 = 18^3 + (-12)^3 = 16^3 + 2^3 = 15^3 + 9^3, so 4104 is in the sequence. PROG (PARI) is(n)=#thue(thueinit(z^3+1), n)>4 \\ Ralf Stephan, Oct 18 2013 CROSSREFS Cf. A051347, A051384. Sequence in context: A184077 A234652 A050219 * A293650 A233962 A203672 Adjacent sequences: A051380 A051381 A051382 * A051384 A051385 A051386 KEYWORD nonn AUTHOR Colin Mallows STATUS approved

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Last modified June 7 22:39 EDT 2023. Contains 363157 sequences. (Running on oeis4.)