501200
domain: N
Appears in sequences
- Number of (n+1)X(3+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26.at n=2A233661
- T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26 (26 maximizes T(1,1)).at n=12A233665
- a(n) = min {i - j} where i*j is a factorization of the n-th partial product of the semiprimes (A112141).at n=13A317490