1048380480domain: NAppears in sequencesa(n) = (n+1)*binomial(n+1,13).at n=15A027773a(n) = (n+1)*binomial(n+1, 15).at n=13A027775Number of lattice paths of 2*n+2 steps in the first quadrant from (0,0) to (n,n).at n=13A253487