128974848

Appears in sequences

• a(n) = 4^n*Lucas(n), where Lucas = A000032.at n=10A127211
• p-INVERT of (1,1,1,1,1,...), where p(S) = (1 - 3*S)^2.at n=11A291004
• Optimal link functions for repeat avoidance in double elimination tournaments.at n=26A356189