73752

Appears in sequences

• Triangle of f-vectors of the simplicial complexes dual to the permutohedra of type B_n.at n=30A145901
• Number of nX3 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, no adjacent elements equal, and upper left element zero.at n=10A230826