Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,5,2,0,0,2,0 for x=0,1,2,3,4,5,6.

A198001

Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,5,2,0,0,2,0 for x=0,1,2,3,4,5,6.

Terms

    a(0) =1a(1) =2a(2) =11a(3) =106a(4) =1866a(5) =62687a(6) =4073132a(7) =495518389a(8) =114972961293

External references