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 1-2 of 2 results.

A063407 Number of cyclic subgroups of order 4 of general affine group AGL(n,2).

Original entry on oeis.org

0, 3, 210, 21840, 4248240, 2439718848, 4490186803200, 21306683553761280, 243362078944548372480, 8447714338361362064867328, 916006668995029638614026813440, 257020596641378222874290942398955520
Offset: 1

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Author

Vladeta Jovovic, Jul 17 2001

Keywords

Comments

Number of cyclic subgroups of order m in general affine group AGL(n,2) is 1/phi(m)*Sum_{d|m} mu(m/d)*b(n,d), where b(n,d) is number of solutions to x^d=1 in AGL(n,2).

Crossrefs

Formula

a(n) = (A063387(n)-A063385(n))/2.

A063411 Number of cyclic subgroups of order 8 of general affine group AGL(n,2).

Original entry on oeis.org

0, 0, 0, 5040, 6249600, 15958978560, 138492255928320, 3264016697241108480, 167083534977568918732800, 26809984170742141560784158720, 15381567503446460704398211326935040
Offset: 1

Views

Author

Vladeta Jovovic, Jul 17 2001

Keywords

Comments

Number of cyclic subgroups of order m in general affine group AGL(n,2) is 1/phi(m)*Sum_{d|m} mu(m/d)*b(n,d), where b(n,d) is number of solutions to x^d=1 in AGL(n,2).

Crossrefs

Formula

a(n) = (A063391(n)-A063387(n))/4.
Showing 1-2 of 2 results.