A104440 Number of ways to split 1, 2, 3, ..., 7n into 7 arithmetic progressions each with n terms.
1, 135135, 1161, 161, 125, 119, 117, 116, 116, 116, 116, 116, 116, 116, 116, 116
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.