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.

A091008 Triangle T(n,k) read by rows giving number of inequivalent binary linear [n,k] codes with all columns distinct (projective codes) (n >= 1, 1 <= k <= n).

Original entry on oeis.org

1, 0, 1, 0, 1, 2, 0, 0, 2, 3, 0, 0, 1, 4, 5, 0, 0, 1, 5, 9, 10, 0, 0, 1, 6, 14, 19, 20, 0, 0, 0, 6, 21, 35, 41, 42, 0, 0, 0, 5, 34, 72, 94, 101, 102, 0, 0, 0, 4, 50, 155, 235, 267, 275, 276, 0, 0, 0, 3, 67, 340, 652, 803, 847, 856, 857, 0, 0, 0, 2, 91, 791, 2076, 2897
Offset: 1

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Author

N. J. A. Sloane, Mar 01 2004

Keywords

Crossrefs

A076834 gives last diagonal. Running sums across rows of triangle A076833.