120610

Appears in sequences

• Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)<=2.at n=21A212898
• a(1)=a(2)=0; thereafter a(n) = a(n-2)+A238828(n-1)+A238827(n).at n=16A238830
• Number of nX3 0..1 arrays with every element equal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=8A300170
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=57A300175