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A263486
Triangle read by rows: T(n,k) (n>=2, k>=1) is the number of permutations w of n for which the Kazhdan-Lusztig polynomial P(id,w;q) evaluated to k at q=1.
0
2, 6, 22, 2, 88, 27, 4, 1
OFFSET
2,1
COMMENTS
Row sums give A000142, n >= 2.
EXAMPLE
Triangle begins:
2,
6,
22,2,
88,27,4,1,
...
CROSSREFS
Cf. A000142.
Sequence in context: A084392 A156155 A317725 * A182544 A216120 A216964
KEYWORD
nonn,tabf,more
AUTHOR
Christian Stump, Oct 19 2015
STATUS
approved