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.

A067223 Number of n X n 0..15 matrices with all row and column sums equal.

Original entry on oeis.org

1, 16, 256, 316624, 81851507456, 4128449284755670956, 42503886964244001261643010752
Offset: 0

Views

Author

R. H. Hardin, Feb 20 2002

Keywords

Crossrefs

Column k=15 of A202784.

Extensions

a(5)-a(6) from Sean A. Irvine, Dec 10 2023
a(0)=1 prepended by Andrew Howroyd, Oct 14 2024

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