14698053631domain: NAppears in sequencesDot product of the rows of triangle A046899 with vector (1,2,4,8,...) (= A000079).at n=12A178792a(n) = Sum_{k=0..floor((n-1)/2)} binomial(n,k)*binomial(n-1-k,floor((n-1)/2) - k).at n=24A359066