6631556521

Appears in sequences

• The partition function G(n,4).at n=16A001681
• Number of set partitions of {1,...,2^n} into sets of size at most n.at n=4A227223
• Number of set partitions of {1,...,n^2} into sets of size at most n.at n=4A229229
• Number A(n,k) of set partitions of {1,...,k*n} into sets of size at most n; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=40A229243
• Number of partitions of an n-set into blocks of size <= sqrt(n).at n=16A368502