165512

Appears in sequences

• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..1 array extended with zeros and convolved with -1,2,-1.at n=23A222036
• Number of (n+6)X13 0..1 matrices with each 7X7 subblock idempotent.at n=15A224587
• a(n) = (1/4) * Sum_{k=0..floor(n/2)} (k+2) * binomial(2*k+2,2*n-4*k+1).at n=20A391830