111399

Appears in sequences

• Number of self-avoiding planar walks of length n*(n+1)/2 starting at (0,0), ending at (n,0), remaining in the first quadrant and using steps (0,1), (1,0), (1,1), (-1,1), and (1,-1) with the restriction that (0,1) is never used below the diagonal and (1,0) is never used above the diagonal.at n=14A284418
• Expansion of g.f. A(x) satisfying A(x)^3 = A( x*A(x)^2/(1-x) ).at n=15A374565
• Expansion of g.f. A(x) satisfying A(x) = (1 + 3*x*A(x)) * (1 + x*A(x)^2).at n=6A375435