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.

Previous Showing 11-16 of 16 results.

A003802 Order of universal Chevalley group A_4(q), q = prime power.

Original entry on oeis.org

9999360, 237783237120, 258492255436800, 56653740000000000, 187035198320488089600, 4638226007491010887680, 78660280796419613491200, 9760263542825295931200000, 539322992420959314658621440, 78898131096541739561779200000
Offset: 1

Views

Author

Keywords

References

  • J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985 [for best online version see https://oeis.org/wiki/Welcome#Links_to_Other_Sites], p. xvi.
  • H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.

Crossrefs

Different from A003809.

Programs

  • Mathematica
    f[m_, n_] := m^(n (n + 1)/2) Product[m^k - 1, {k, 2, n + 1}]; f[#, 4] & /@ Select[Range[2, 16], PrimePowerQ] (* Michael De Vlieger, Sep 18 2015 *)

Formula

a(n) = A(A000961(n+1),4) where A(q,n) is defined in A003787. - Sean A. Irvine, Sep 18 2015

Extensions

More terms from Sean A. Irvine, Sep 18 2015

A003804 Order of universal Chevalley group A_6(q), q = prime power.

Original entry on oeis.org

163849992929280, 67034222101339041669120, 72736898347485916060188672000, 3376566710423156250000000000000000, 35832085525362833262818017603275320524800, 21903309038581548352789123727634573903790080, 6274437692242927471137606015213542491815936000
Offset: 1

Views

Author

Keywords

References

  • J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985 [for best online version see https://oeis.org/wiki/Welcome#Links_to_Other_Sites], p. xvi.
  • H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.

Programs

  • Mathematica
    f[m_, n_] := m^(n (n + 1)/2) Product[m^k - 1, {k, 2, n + 1}]; f[#, 6] & /@ Select[Range[2, 10], PrimePowerQ] (* Michael De Vlieger, Sep 18 2015 *)

Formula

a(n) = A(A000961(n+1),6) where A(q,n) is defined in A003787. - Sean A. Irvine, Sep 18 2015

Extensions

Beginning same as A003811.
a(6)-a(7) from Sean A. Irvine, Sep 18 2015

A220791 Number of nonsingular n X n matrices over GF(13).

Original entry on oeis.org

1, 12, 26208, 9726417792, 610296923230525440, 6471875909051511775903457280, 11598637276362103019770723830073032376320, 3512938445418644176053176560741858449740612202579886080
Offset: 0

Views

Author

Vincenzo Librandi, Jan 29 2013

Keywords

Crossrefs

Programs

  • Magma
    [1] cat [&*[(13^n - 13^k): k in [0..n-1]]: n in [1..8]];
  • Mathematica
    Table[Product[13^n - 13^k, {k, 0, n-1}], {n, 0, 8}]

A003803 Order of universal Chevalley group A_5 (q), q = prime power.

Original entry on oeis.org

20158709760, 42064805779476480, 1083930404878024704000, 2766118855500000000000000, 369826556020831611935738265600, 39841906041871272087686291128320, 2468438315722201136962330755072000
Offset: 1

Views

Author

Keywords

References

  • J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985 [for best online version see https://oeis.org/wiki/Welcome#Links_to_Other_Sites], p. xvi.
  • H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.

Programs

  • Mathematica
    f[m_, n_] := m^(n (n + 1)/2) Product[m^k - 1, {k, 2, n + 1}]; f[#, 5] & /@ Select[Range[2, 10], PrimePowerQ] (* Michael De Vlieger, Sep 18 2015 *)

Formula

a(n) = A(A000961(n+1),5) where A(q,n) is defined in A003787. - Sean A. Irvine, Sep 18 2015

Extensions

a(7) from Sean A. Irvine, Sep 18 2015

A003805 Order of universal Chevalley group A_7 (q), q = prime power.

Original entry on oeis.org

5348063769211699200, 961721214905722855895197286400, 78099458182389588115529148326215680000, 103044374585338670859375000000000000000000000, 170115000551935077294273059250893063598899496222720000, 770654129255561941216424578913668563609374922170066534400
Offset: 1

Views

Author

Keywords

References

  • J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985 [for best online version see https://oeis.org/wiki/Welcome#Links_to_Other_Sites], p. xvi.
  • H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.

Programs

  • Mathematica
    f[m_, n_] := m^(n (n + 1)/2) Product[m^k - 1, {k, 2, n + 1}]; f[#, 7] & /@ Select[Range[2, 8], PrimePowerQ] (* Michael De Vlieger, Sep 18 2015 *)

Formula

a(n) = A(A000961(n+1),7) where A(q,n) is defined in A003787. - Sean A. Irvine, Sep 18 2015

Extensions

a(5)-a(6) from Sean A. Irvine, Sep 18 2015

A003806 Order of universal Chevalley group A_8 (q), q = prime power.

Original entry on oeis.org

699612310033197642547200, 124190524600592082795473760093457612800, 1341733356588640095264385107865053233298800640000, 78616578542037111790447631835937500000000000000000000000, 39573939034651534226739680064959446854442420750012276098670264320000
Offset: 1

Views

Author

Keywords

References

  • J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985 [for best online version see https://oeis.org/wiki/Welcome#Links_to_Other_Sites], p. xvi.
  • H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.

Programs

  • Mathematica
    f[m_, n_] := m^(n (n + 1)/2) Product[m^k - 1, {k, 2, n + 1}]; f[#, 8] & /@ Select[Range[2, 7], PrimePowerQ] (* Michael De Vlieger, Sep 18 2015 *)

Formula

a(n) = A(A000961(n+1),8) where A(q,n) is defined in A003787. - Sean A. Irvine, Sep 18 2015

Extensions

a(5) from Sean A. Irvine, Sep 18 2015
Previous Showing 11-16 of 16 results.