3432551

Appears in sequences

• Number of (2+1) X (n+1) arrays of permutations of 0..n*3+2 with each element having directed index change 0,0 1,1 0,-1 -1,1 or 0,-2.at n=8A264246
• The number of squarefree numbers whose largest prime divisor is prime(n) and that are averages of twin prime pairs.at n=31A354950