586343

Appears in sequences

• Number of nX5 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=2A224201
• T(n,k)=Number of nXk 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=23A224204
• Number of 3Xn 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=4A224205
• a(n) is the smallest k such that the p-rank of (Z/kZ)* is 2, where p = prime(n) and (Z/kZ)* is the multiplicative group of integers modulo n.at n=16A307434