A347321 A146212(2*n).
5, 37, 145, 471, 901, 2185, 3969, 5563, 11141, 17293, 21913, 36479, 50485, 51661, 90753, 118355, 139861, 191445, 238481
Offset: 2
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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