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.

A364203 Triangle read by rows: T(n, k) is the number of n X n matrices of rank k using all the integers from 1 to n^2.

Original entry on oeis.org

1, 0, 24, 0, 2736, 360144
Offset: 1

Views

Author

Stefano Spezia, Jul 13 2023

Keywords

Examples

			The triangle begins:
  1;
  0,   24;
  0, 2736, 360144;
  ...
		

Crossrefs

Cf. A085000 (maximal determinant), A088020 (row sums), A350565 (minimal permanent), A350566 (maximal permanent), A364206 (right diagonal).
Cf. A364226 (with prime numbers).

A364227 a(n) is the number of n X n nonsingular matrices using all the first n^2 prime numbers.

Original entry on oeis.org

1, 24, 362664
Offset: 1

Views

Author

Stefano Spezia, Jul 15 2023

Keywords

Crossrefs

Right diagonal of A364226.
Cf. A180128 (maximal determinant), A350858 (minimal permanent), A350859 (maximal permanent).
Cf. A364206 (with the integers in [n^2]).
Showing 1-2 of 2 results.