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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A180321 (Numerator(Bernoulli(4n)) mod denominator(Bernoulli(4n)) - AbsoluteValue(Numerator(Bernoulli(4n))) mod denominator(Bernoulli(4n)))/4.

Original entry on oeis.org

0, 7, 7, 337, 104, 62, 337, 188, 104, 160471, 2377, 146, 4364, 356, 188, 3047342, 104, 7, 10754788, 7, 33644, 321959, 12649, 314, 400103, 6097, 356, 16531744, 304598, 398, 96547657, 7, 104, 396467, 944, 111158, 112780961, 1028, 7, 187526468, 33644
Offset: 0

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Author

Robert G. Wilson v, Aug 27 2010

Keywords

Comments

Sorted Values: 0, 7, 62, 104, 146, 188, 314, 337, 356, 398, 566, 734, 944, 1028, 1154, 1196, 1238, 1261, 1574, 1826, 1868, 2036, 2204, 2377, 2414, ..., .

Crossrefs

Cf. A169980, A180315, A180320.

Programs

  • Mathematica
    f[n_] := Block[{b = BernoulliB[4 n]}, (Mod[Numerator@b, Denominator@b] - Mod[Abs@Numerator@b, Denominator@b])/4]; Array[f, 60, 0]
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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