245757

Appears in sequences

• a(0)=1, a(1)=1, a(n) = 3*a(n-1) + a(n-2) + 1.at n=11A033538
• McKay-Thompson series of class 10D for the Monster group.at n=16A058100
• McKay-Thompson series of class 10D for the Monster group with a(0) = 6.at n=16A132130
• Numbers n that are persistently squarefree for base-2 shifting (in A293430), and for which A163511(n) is also in A293430.at n=19A293437