144377

Appears in sequences

• Worst cases for Hart's one-line factorization (OLF) method with multiplier M = 1, see comments.at n=14A284522
• Number of self-avoiding planar walks of length n+1 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=14A284778