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 1-3 of 3 results.

A088671 Number of n X n matrices over GF(3) with characteristic polynomial x^(n-1) * (x-1).

Original entry on oeis.org

1, 12, 1053, 787320, 5208653241, 308413053837252, 164053436379620039253, 784901799876425497055472240, 33790882475498615361517892887614321, 13091723638887447119952122094399781435115772, 45648533143796439623892471646730372987043769546194573
Offset: 1

Views

Author

Yuval Dekel (dekelyuval(AT)hotmail.com) and W. Edwin Clark, Nov 29 2003

Keywords

Links

Crossrefs

Cf. A088668, A088852, A088853.

Programs

  • Mathematica
    a[n_] := (3/2)*(3^(n^2-n) - 3^(n^2-2*n)); Array[a, 10] (* Amiram Eldar, Jul 13 2025 *)

Formula

a(n) = (q/(q-1))*(q^(n^2-n)-q^(-2*n+n^2)) where q = 3.

Extensions

More terms from Joerg Arndt, Oct 04 2013

A088852 Number of n X n matrices over GF(4) with characteristic polynomial x^(n-1) * (x-1).

Original entry on oeis.org

1, 20, 5376, 22282240, 1464583847936, 1536853372840181760, 25788843362951132511993856, 6922956840496417818923870380359680, 29734213503918523875893136571995338085236736, 2043325439152335369940571764620635289780959288334745600
Offset: 1

Views

Author

Yuval Dekel (dekelyuval(AT)hotmail.com) and W. Edwin Clark, Nov 29 2003

Keywords

Links

Crossrefs

Cf. A088668, A088671, A088853.

Programs

  • Mathematica
    a[n_] := (4/3)*(4^(n^2-n) - 4^(n^2-2*n)); Array[a, 10] (* Amiram Eldar, Jul 13 2025 *)

Formula

a(n) = (q/(q-1))*(q^(n^2-n)-q^(-2*n+n^2)) where q = 4.

Extensions

More terms from Joerg Arndt, Oct 04 2013

A088853 Number of n X n matrices over GF(5) with characteristic polynomial x^(n-1) * (x-1).

Original entry on oeis.org

1, 30, 19375, 304687500, 119171142578125, 1164078712463378906250, 284213456325232982635498046875, 1734719035084708593785762786865234375000, 264697660491697295270796530530788004398345947265625, 1009741855285318541798553204635879865236347541213035583496093750
Offset: 1

Views

Author

Yuval Dekel (dekelyuval(AT)hotmail.com) and W. Edwin Clark, Nov 29 2003

Keywords

Links

Crossrefs

Cf. A088668, A088671, A088852.

Programs

  • Mathematica
    a[n_] := (5/4)*(5^(n^2-n) - 5^(n^2-2*n)); Array[a, 10] (* Amiram Eldar, Jul 13 2025 *)

Formula

a(n) = (q/(q-1))*(q^(n^2-n)-q^(-2*n+n^2)) where q = 5.

Extensions

More terms from Joerg Arndt, Oct 04 2013
Showing 1-3 of 3 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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