69920

Appears in sequences

• Number of 4's in all partitions of n.at n=43A024788
• a(n) = 10*a(n-1) - 8*a(n-2), with a(0)=0, a(1)=1.at n=6A190990
• Number of nX3 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=6A203537
• Number of nX7 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=2A203541
• T(n,k)=Number of nXk 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=38A203542
• T(n,k)=Number of nXk 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=42A203542
• Expansion of x*(1+9*x-8*x^3)/(1-10*x^2+8*x^4).at n=10A249311
• Numbers k such that k divides the number of overpartitions of k (A015128).at n=30A299961
• Number of ways to choose a constant rooted partition of each part in a strict rooted partition of n.at n=38A301767
• Numbers n with the property that n^2 contains a sequence of four or more consecutive 8's.at n=31A301938
• a(n) = Sum_{k=0..floor(n/2)} (-1)^k * binomial(4*n-2*k-2,n-2*k).at n=6A390685