97188

Appears in sequences

• Number of nonempty subsets of {1,2,...,n} in which exactly 1/5 of the elements are <= (n+2)/3.at n=21A048076
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/5 of the elements are <= (n+3)/3.at n=21A048087
• Scaled array A078740 ((3,2)-Stirling2).at n=54A090452
• Sixth column (m=7) of array A090452.at n=4A091027
• Number of reduced words of length n in Coxeter group on 8 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.at n=6A162754