58398

Appears in sequences

• Riordan array (2-2*x-sqrt(1-8*x+4*x^2), (1-2*x-sqrt(1-8*x+4*x^2))/2).at n=49A121576
• Number of n-step self-avoiding walks on the honeycomb lattice with no non-contiguous adjacencies.at n=17A336758