A220117 First occurrence of n in A220115.
0, 3, 13, 47, 55, 254, 767, 987, 6909, 16127, 28657, 28670, 125951, 196575, 393213, 4160255, 4177911, 25157623, 25157631, 46137325, 67088375, 268296191, 268434303, 268435455
Offset: 0
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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