A226074 Numbers k such that k^2+1 is a triangular number and k^2+2 is a prime number.
0, 3, 105, 4116315, 9721683943673162520781155, 35285058531373239343849920668944097883186271103498415
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.
Comments