A216721 Second column of A216719.
2, 10, 55, 356, 2723, 23300, 220997, 2308564
Offset: 5
Keywords
References
- Wayne M. Dymacek, Isaac Lambert and Kyle Parsons, Arithmetic Progressions in Permutations, http://math.ku.edu/~ilambert/CN.pdf, 2012.