OFFSET
1,2
LINKS
C. Defant and K. Zheng, Stack-Sorting with Consecutive-Pattern-Avoiding Stacks, arXiv:2008.12297 [math.CO], 2020.
EXAMPLE
For n = 3, the permutations 123, 213, 231, 312, and 321 are correctly sorted to the identity while the permutation 132 is not.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Kai Zheng, Aug 30 2020
STATUS
approved