A210607 Vertex number of an L-toothpick structure which give Recamán's sequence A005132.
0, 1, 4, 9, 12, 16, 20, 25, 36
Offset: 1
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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