1557649

Properties

Appears in sequences

• Expansion of (1-x)/(1-x-2*x^2+x^3).at n=26A052547
• Number of Catalan paths (nonnegative, starting and ending at 0, step +/-1) of 2*n steps with all values <= 5.at n=14A080937
• Number of walks of length n on P_3 plus a loop at the end.at n=28A096976
• a(n) = a(n-1) + a(n-2) if n is even and a(n) = a(n-3) + a(n-4) if n is odd, with a(0) = a(1) = a(2) = 0 and a(3) = 1.at n=55A265755
• Prime numbersat n=118209