A115250 Least inverse of A115247, or -1 if no inverse exists.
0, 2, 4, 37, 8, 138, 13, 41, 27, 167, 335, 111, 746, 492, 8366, 3032, 7223
Offset: 0
Crossrefs
Cf. A115247.
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.