A309177 Numbers k such that A309168(k) > 0.

4, 6, 10, 12, 14, 16, 18, 19, 21, 23, 24, 28, 29, 32, 34, 35, 38, 39, 40, 42, 43, 44, 45, 46, 47, 48, 50, 51, 53, 55, 58, 60, 61, 66, 67, 68, 71, 75, 76, 79, 80, 81, 82, 83, 85, 91, 92, 93, 94, 95, 98, 101, 102, 103, 104, 106, 110, 111, 112, 113, 114, 115, 116, 117, 119, 124

Offset

1,1

Links

Table of n, a(n) for n=1..66.

Andrew Bremner, Allan Macleod, An unusual cubic representation problem, Annales Mathematicae et Informaticae, 43(2014), pp.29-41.

Prog

(PARI) for(k=0, 1e2, if(ellanalyticrank(ellinit([0, 4*k^2+12*k-3, 0, 32*(k+3), 0]))[1]>0, print1(k", ")))

Crossrefs

Cf. A309168.

Sequence in context: A174240 A328321 A287342 * A163164 A137230 A369896

Adjacent sequences: A309174 A309175 A309176 * A309178 A309179 A309180

Keyword

nonn

Author

Seiichi Manyama, Jul 15 2019

Status

approved