14174522

Appears in sequences

• Number of necklaces of partitions of n+1 labeled beads.at n=9A000629
• Erroneous version of A002050.at n=8A047782
• a(n) = Sum_{k>=0} k^n/2^k.at n=9A076726
• Matrix product of Stirling2-triangle A008277(n,k) and unsigned Stirling1-triangle |A008275(n,k)|.at n=45A079641
• Triangle read by rows: T(n,k) (1 <= k <= n) = Steffensen's bracket function [n,n-k].at n=54A241168
• Square array A(n, k) read by descending antidiagonals, where column k is the expansion of the e.g.f. exp(k*x)/(2 - exp(x)).at n=64A292915
• The number of rooted chains in the lattice of (0, 1) matrices of order n.at n=3A329712
• Square array A(n, k) = n! * [t^n] (exp(t)/(1+k-k*exp(t))) for n >= 0 and k >= 0, read by antidiagonals upwards.at n=56A369435
• Array read by falling antidiagonals: T(n,k) = numerator(Sum_{x>0} (x^n)/(k^x)); n >= 0 and k >= 2.at n=54A374895