A144725 Primes arising in A144724.
5, 13, 61, 421, 3361, 30241, 332641, 3991681, 55883521, 950019841, 19000396801, 456009523201, 13680285696001, 465129713664001, 20465707401216001, 1473530932887552001, 125250129295441920001
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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