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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A325630 Numbers k such that A000110(k) is divisible by k.

Original entry on oeis.org

1, 2, 35, 16833, 16989, 23684
Offset: 1

Views

Author

Vaclav Kotesovec, Sep 07 2019

Keywords

Comments

No other terms below 50000.
From Amiram Eldar, Jun 20 2024: (Start)
Numbers k such that A166226(k) = 0.
All the terms above 2 are composites since A166226(p) == 2 (mod p) for prime p. (End)
No other terms below 90000. - Michael S. Branicky, Jan 09 2025

Examples

			35 is in the sequence because A000110(35) = 35 * 8045720086273150473238297902.

Crossrefs

Cf. A000110, A051130, A066562, A073877, A113883, A166226, A280727, A325935.
Cf. A014847, A016089, A023172, A051177, A056848.

Programs

  • Mathematica
    Select[Range[1000], Divisible[BellB[#], #] &]
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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