67108869

Appears in sequences

• a(n) = (A102371(n) + n)/2.at n=26A103745
• a(n) = n_{2^n}.at n=24A122624
• a(n) = 2^n + 5.at n=26A168614
• Number of length n+2 0..4 arrays with every three consecutive terms having the sum of some two elements equal to twice the third.at n=32A248429
• Numbers a(n) which are the minimum number of moves needed in a variation of the tower of Hanoi with 4 towers and n disks.at n=27A248604
• a(n) = A048675(A285317(n)).at n=15A285318
• Numbers whose binary indices are all powers of 3, where a binary index of n (row n of A048793) is any position of a 1 in its reversed binary expansion.at n=11A368531