84970

Appears in sequences

• a(n) = n^4 + 5*n^2 + 4.at n=17A156798
• Number of nX4 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.at n=3A277941
• T(n,k)=Number of nXk 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.at n=24A277945