14226212domain: NAppears in sequencesa(n) = (n + 1)*binomial(n + 1, 10).at n=12A027770a(n) = (n+1)*binomial(n+1,12).at n=10A027772Number of lattice paths of 2*n+2 steps in the first quadrant from (0,0) to (n,n).at n=10A253487