402321277
domain: N
Appears in sequences
- Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0.at n=18A033139
- Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,3.at n=9A037595
- a(n) = 1111111 in base n.at n=26A053716
- a(n) = (27^n - 1)/26.at n=7A218730
- Sum of the cubes of the divisors of n^3.at n=8A258331