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%I #8 Oct 25 2015 10:54:54
%S 2,6,22,2,88,27,4,1
%N 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.
%C Row sums give A000142, n >= 2.
%H FindStat - Combinatorial Statistic Finder, <a href="http://www.findstat.org/StatisticsDatabase/St000036">The evaluation of the Kazhdan-Lusztig polynomial P(id,w) for each permutation w in S_n evaluated at q=1</a>.
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Kazhdan%E2%80%93Lusztig_polynomial">Kazhdan-Lusztig polynomial</a>
%e Triangle begins:
%e 2,
%e 6,
%e 22,2,
%e 88,27,4,1,
%e ...
%Y Cf. A000142.
%K nonn,tabf,more
%O 2,1
%A _Christian Stump_, Oct 19 2015
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