cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A342549 Factors k > 0 such that the polynomial 2*k*x^3 + 1 produces a record of its Hardy-Littlewood constant.

Original entry on oeis.org

1, 5, 12, 57, 75, 135, 195, 210, 660
Offset: 1

Views

Author

Hugo Pfoertner, May 01 2021

Keywords

Comments

a(10) > 10000.
For more information and references see A331950.

Examples

			   n  a(n)   Hardy-Littlewood
             constant (rounded)
   1     1   2.5970791151
   2     5   3.3401203819
   3    12   4.1716318164
   4    57   4.5504531392
   5    75   4.7090460169
   6   135   5.0101805728
   7   195   5.3408627801
   8   210   6.0848257259
   9   660   6.5566372288

Crossrefs

Cf. A331945 (records for k*x^2+1), A331950, A342547, A342548, A342566.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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