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.

Showing 1-5 of 5 results.

A002913 High temperature series for spin-1/2 Ising magnetic susceptibility on 3-dimensional simple cubic lattice.

Original entry on oeis.org

1, 6, 30, 150, 726, 3510, 16710, 79494, 375174, 1769686, 8306862, 38975286, 182265822, 852063558, 3973784886, 18527532310, 86228667894, 401225368086, 1864308847838, 8660961643254, 40190947325670, 186475398518726, 864404776466406, 4006394107568934, 18554916271112254, 85923704942057238
Offset: 0

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Author

Keywords

References

  • C. Domb, Ising model, in Phase Transitions and Critical Phenomena, vol. 3, ed. C. Domb and M. S. Green, Academic Press, 1974; p. 381.
  • S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 391-406.
  • N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
  • N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Crossrefs

Cf. other quantities: A001393 (partition function), A010571 (internal energy), A002916 (specific heat), A003490 (surface susceptibility), A007287 (layer susceptibility), A010040, A010043, A010046.
Cf. other structures: A002906 (square), A002920 (hexagonal), A002910 (honeycomb), A002914 (b.c.c.), A002921 (f.c.c.), A003119 (diamond), A010556 (4D cubic), A010579 (5D cubic), A010580 (6D cubic), A030008 (7D cubic).
Cf. low-temperature series: A002926 (ferromagnetic), A002915 (antiferromagnetic).
Cf. other models: A002170 (Heisenberg), A003279 (spherical).

Extensions

Corrections and updates from Steven Finch
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Mar 01 2008
Several errors in the sequence were corrected by Per H. Lundow, Jan 17 2011

A002169 High temperature series for spin-1/2 Heisenberg specific heat on 3-dimensional simple cubic lattice.

Original entry on oeis.org

0, 9, -18, -162, 2520, 33192, -1019088, -7804944, 723961728, 2596523904, -856142090496, 6383648984832, 1356696930401280, -27667884260938752, -2908030732698175488, 122264703581556307968, 7238339805811283361792
Offset: 1

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Author

Keywords

References

  • N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
  • N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Crossrefs

Cf. A002165 (f.c.c.), A002167 (b.c.c.), A002922 (diamond), A005402 (square), A005402 (hexagonal); A002170 (susceptibility); A002916 (Ising).

Extensions

Better description from Steven Finch
a(11)-a(14) added from Oitmaa and Bornilla by Andrey Zabolotskiy, Oct 20 2021 and Feb 05 2022
a(15)-a(17) added from Gonzalez et al. by Andrey Zabolotskiy, May 06 2023

A002921 Susceptibility series for f.c.c. lattice.

Original entry on oeis.org

1, 12, 132, 1404, 14652, 151116, 1546332, 15734460, 159425580, 1609987708, 16215457188, 162961837500, 1634743178420, 16373484437340, 163778159931180, 1636328839130860
Offset: 0

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Author

Keywords

References

  • C. Domb, Ising model, in Phase Transitions and Critical Phenomena, vol. 3, ed. C. Domb and M. S. Green, Academic Press, 1974; p. 381.
  • N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
  • N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Crossrefs

Cf. A002913 (cubic), A002914 (b.c.c.); A002918 (specific heat).
Cf. Heisenberg model: A002166; A002170 (cubic), A002168 (b.c.c.); A002165 (specific heat).

Extensions

a(13)-a(15) from McKenzie added by Andrey Zabolotskiy, Feb 05 2022

A005401 High-temperature series for Heisenberg model susceptibility on square lattice.

Original entry on oeis.org

4, 16, 64, 416, 4544, 23488, -207616, 4205056, 198295552, -2574439424, -112886362112, 3567419838464, 94446596145152, -5636771173998592, -80736001427931136, 11035864514607054848, 15012780903941799936, -25650368909583695740928
Offset: 1

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Author

Keywords

References

  • N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Crossrefs

Cf. A005399 (hexagonal), A002170 (cubic); A005402 (specific heat).

Extensions

Terms a(11)-a(14) added from Oitmaa and Bornilla by Andrey Zabolotskiy, Oct 20 2021 and Feb 05 2022
Name clarified, terms a(15)-a(18) using Pierre, Bernu & Messio's data added by Andrey Zabolotskiy, Nov 25 2024

A010040 High-temperature expansion of Ising model susceptibility chi_2 for cubic lattice.

Original entry on oeis.org

1, 6, 60, 888, 16944, 403296, 11342400, 371718528, 13814409984, 577113570816, 26660675466240, 1354001083680768, 74774085533159424, 4471493494982516736, 287295290091420794880, 19770508871470350532608, 1448690057046948138123264, 112756550398510017376813056
Offset: 0

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Author

Keywords

Crossrefs

Cf. A002913, A010039 (square), A010041 (4D cubic), A010043 (mu_2), A010046 (chi_4), A002170 (Heisenberg).

Formula

E.g.f.: F(tanh(x)), where F(x) is the g.f. of A002913. - Andrey Zabolotskiy, Nov 19 2024

Extensions

Name clarified, terms a(15) and beyond using data from A002913 added by Andrey Zabolotskiy, Nov 25 2024
Showing 1-5 of 5 results.