A168078 Number of matrices with elements 1..n in which every pair of adjacent elements are relatively prime.
1, 4, 12, 32, 144, 176, 1728, 4320, 27936
Offset: 1
Links
- Lior Manor, Illustration of initial terms
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.
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