254393

Appears in sequences

• Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,1 0,-1 0,2 1,0 or -1,0.at n=2A264254
• 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 0,1 0,-1 0,2 1,0 or -1,0.at n=23A264257
• Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 0,1 0,-1 0,2 1,0 or -1,0.at n=4A264259
• Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UH and HU.at n=20A329701