16420730

Appears in sequences

• Expansion of (1-x)/(1-x-2*x^2+x^3).at n=30A052547
• Number of Catalan paths (nonnegative, starting and ending at 0, step +/-1) of 2*n steps with all values <= 5.at n=16A080937
• Number of walks of length n on P_3 plus a loop at the end.at n=32A096976