A381892 Numbers k such that A381781(k) is negative.
99, 260515, 18997153, 37362253, 50601157, 122925461, 534483448
Offset: 1
Examples
A381781(99) = -810.
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.