A059740 Erroneous version of A005160.
1, 0, 1, 2, 3, 0, 12, 40, 100, 0, 1225, 6460, 28812, 0, 1037232, 9779616
Offset: 1
Keywords
Links
- D. P. Robbins, Symmetry classes of alternating sign matrices, arXiv:math.CO/0008045
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.