78440

Appears in sequences

• Number of walks from (0,0) to (n,n) in the region 0 <= x-y <= 4 with the steps (1,0), (0, 1), (2,0) and (0,2).at n=8A127618
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (1, 0, 1), (1, 1, -1), (1, 1, 1)}.at n=8A150975
• a(n) = 196*n^2 + 2*n.at n=19A158222
• a(n) = 1600*n^2 + 40.at n=6A158775
• a(n) = 49*n^2 + n.at n=39A173141