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 A309961 Numbers k for which rank of the elliptic curve y^2 = x^3 - 432*k^2 is 1. 4
 6, 7, 9, 12, 13, 15, 17, 20, 22, 26, 28, 31, 33, 34, 35, 42, 43, 48, 49, 50, 51, 53, 56, 58, 61, 62, 63, 67, 68, 69, 70, 71, 72, 75, 78, 79, 84, 85, 87, 89, 90, 92, 94, 96, 97, 98, 103, 104, 105, 106, 107, 114, 115, 117, 120, 123, 130, 133, 134, 136, 139, 140, 141, 142, 143, 151 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA A060838(a(n)) = 1. PROG (PARI) for(k=1, 200, if(ellanalyticrank(ellinit([0, 0, 0, 0, -432*k^2]))[1]==1, print1(k", "))) CROSSREFS Cf. A060748, A060838, A309960 (rank 0), A309962 (rank 2), A309963 (rank 3), A309964 (rank 4). Sequence in context: A094698 A096405 A228499 * A108595 A186079 A022938 Adjacent sequences:  A309958 A309959 A309960 * A309962 A309963 A309964 KEYWORD nonn AUTHOR Seiichi Manyama, Aug 25 2019 STATUS approved

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Last modified October 21 16:50 EDT 2019. Contains 328302 sequences. (Running on oeis4.)