68972

Appears in sequences

• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.at n=58A264628
• Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.at n=7A264631
• Sum of squares of parts of the partitions of 2n into two squarefree parts.at n=42A280316