187019
domain: N
Appears in sequences
- Number of partitions of n if there are two kinds of 1's and two kinds of 2's.at n=34A000097
- Number of nX3 0..2 arrays with row sums unimodal and column sums inverted unimodal.at n=3A223883
- Number of nX4 0..2 arrays with row sums unimodal and column sums inverted unimodal.at n=2A223884
- T(n,k)=Number of nXk 0..2 arrays with row sums unimodal and column sums inverted unimodal.at n=17A223885
- T(n,k)=Number of nXk 0..2 arrays with row sums unimodal and column sums inverted unimodal.at n=18A223885