359502

Appears in sequences

• Stirling numbers of the second kind S(n+4, n).at n=9A001298
• Stirling numbers of second kind S2(13,n).at n=8A011562
• Stirling numbers of second kind: 9th column of Stirling2 triangle A008277.at n=4A049447
• Number of set partitions of [n] where each subset is again partitioned into nine nonempty subsets.at n=13A327510
• Even numbers in the triangle of Stirling numbers of the second kind (A008277).at n=28A348650
• G.f. A(x) satisfies [x^(2*n)] A(x)^(3*n) = -3 and [x^(2*n+1)] A(x)^(3*n+1) = [x^(2*n+1)] A(x)^(3*n+2) for n >= 1.at n=9A376225