207870

Appears in sequences

• Number of Bottleneck-Monge matrices with 3 rows. In the formula below, P=3.at n=9A070051
• Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,3,2,2,0,2,0 for x=0,1,2,3,4,5,6.at n=6A207157