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 A356710 Numbers k such that Mordell's equation y^2 = x^3 + k^3 has exactly 3 integral solutions. 7
 7, 11, 21, 22, 23, 26, 34, 35, 38, 44, 46, 63, 71, 74, 86, 92, 95, 99, 110, 122, 129, 136, 152, 155, 158, 170, 175, 177, 183, 189, 190, 198, 201, 203, 207, 211 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Cube root of A179147. LINKS Table of n, a(n) for n=1..36. EXAMPLE 7 is a term since the equation y^2 = x^3 + 7^3 has 3 solutions (-7,0) and (21,+-98). CROSSREFS Cf. A081119, A179145, A179147, A179149, A179151, A356709, A356711, A356712. Indices of 3 in A356706, of 1 in A356707, and of 2 in A356708. Sequence in context: A106674 A184063 A076854 * A194828 A035704 A211436 Adjacent sequences: A356707 A356708 A356709 * A356711 A356712 A356713 KEYWORD nonn,hard,more AUTHOR Jianing Song, Aug 23 2022 EXTENSIONS a(30)-a(36) from Max Alekseyev, Jun 01 2023 STATUS approved

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Last modified December 4 08:33 EST 2023. Contains 367558 sequences. (Running on oeis4.)