OFFSET
2,1
COMMENTS
Row sums give A000142, n >= 2.
LINKS
FindStat - Combinatorial Statistic Finder, The evaluation of the Kazhdan-Lusztig polynomial P(id,w) for each permutation w in S_n evaluated at q=1.
Wikipedia, Kazhdan-Lusztig polynomial
EXAMPLE
Triangle begins:
2,
6,
22,2,
88,27,4,1,
...
CROSSREFS
KEYWORD
nonn,tabf,more
AUTHOR
Christian Stump, Oct 19 2015
STATUS
approved