253176

Appears in sequences

• 1/36 the number of (n+2)X6 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last.at n=6A184452
• 1/36 the number of (n+2) X 9 0..2 arrays with each 3 X 3 subblock containing two of one value, two of another, and five of the last.at n=3A184455
• Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=21A192963
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change (+-,+-) 0,0 1,1 or 1,2.at n=28A263964
• Number of (1+1)X(n+1) arrays of permutations of 0..n*2+1 with each element having index change (+-,+-) 0,0 1,1 or 1,2.at n=7A263965
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change (+-,+-) 0,2 1,1 or 1,0.at n=28A263973