73410624

Appears in sequences

• Number of (1+1)X(n+1) arrays of permutations of 0..n*2+1 with each element having index change +-(.,.) 0,0 0,2 or 1,1.at n=13A264111
• a(n) is the number of subsets of {1..n} that contain 5 even and 5 odd numbers.at n=36A331576