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 A113958 Triangular numbers that can be written as sum of two positive cubes. 4
 28, 91, 351, 2926, 8001, 46971, 58653, 93528, 97461, 141778, 300700, 365085, 382375, 398278, 874503, 1295245, 1669878, 3425653, 4117015, 7517503, 7657741, 7771653, 9415630, 9598771 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Intersection of A003325 and A000217. LINKS Donovan Johnson, Table of n, a(n) for n = 1..5122 EXAMPLE 91 = 13*(13+1)/2 = 4^3 + 3^3, therefore 91 is a term. MATHEMATICA Sort[Select[Total/@Subsets[Range[300]^3, {2}], OddQ[Sqrt[8#+1]]&]] (* Harvey P. Dale, Oct 10 2014 *) CROSSREFS Cf. A119977, A003108, A000578. Sequence in context: A096384 A065655 A272399 * A219815 A044215 A044596 Adjacent sequences:  A113955 A113956 A113957 * A113959 A113960 A113961 KEYWORD nonn AUTHOR Reinhard Zumkeller, Jun 03 2006 STATUS approved

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Last modified August 20 03:48 EDT 2019. Contains 326139 sequences. (Running on oeis4.)