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A342548 Factors k > 0 such that the polynomial k*x^3 + x^2 + 1 produces a record of its Hardy-Littlewood constant. 1
1, 3, 21, 69, 81, 99, 489, 8169 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

For more information and references see A331950.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

  n  a(n)   Hardy-Littlewood

            constant (rounded)

  1     1   3.0750320679

  2     3   3.3225199464

  3    21   4.3206296013

  4    69   4.3659028300

  5    81   4.9042526822

  6    99   6.0219444490

  7   489   6.5115238241

  8  8169   6.7898774153

CROSSREFS

Cf. A331950, A342547, A342549.

Sequence in context: A117984 A050615 A145658 * A188667 A083564 A281008

Adjacent sequences:  A342545 A342546 A342547 * A342549 A342550 A342551

KEYWORD

nonn,more,hard

AUTHOR

Hugo Pfoertner, May 01 2021

STATUS

approved

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Last modified July 29 08:28 EDT 2021. Contains 346340 sequences. (Running on oeis4.)