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A371349
Odd addends k > 0 such that x^2 + x + k produces a new minimum of its Hardy-Littlewood Constant.
1
1, 3, 9, 15, 33, 63, 75, 225, 243, 273, 453, 813, 1275, 1443, 2763, 3003, 6693, 9933, 10515
OFFSET
1,2
LINKS
Martin Raab, Post in thread Ponder This - March 2024, at Mersenneforum.org, Apr 08 2024 (suggests this sequence).
PROG
(PARI) \\ Uses function HardyLittlewood2 from a221712.gp; see link in A331940
a371349(upto) = {my (Hmin=oo); forstep (k=1, upto, 2, my (H=HardyLittlewood2(x^2+x+k)); if (H<Hmin, print1(k, ", "); Hmin=H))};
a371349(1500)
CROSSREFS
Cf. A331940 for more information.
Sequence in context: A048701 A031159 A058039 * A013581 A350536 A133997
KEYWORD
nonn,hard,more
AUTHOR
Hugo Pfoertner, Apr 11 2024, suggested by Martin Raab
STATUS
approved