272130
domain: N
Appears in sequences
- Integers of the form Sum_{i=1..m} phi(i)/gcd(m,i).at n=19A066970
- Number of n X n 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=3A224167
- Number of n X 4 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=3A224169
- T(n,k) = number of n X k 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=24A224173
- Number of 4 X n 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=3A224175