A087932 Number of ways of arranging the numbers 1 ... 11n into an 11 X n array so there is exactly one local maximum.
1024, 137959904378880, 5972307516078119199647692800
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.