15270994830
domain: N
Appears in sequences
- Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0.at n=16A037667
- a(n) = floor(2^n/9).at n=37A153234
- Indices k of records of low value of the ratios A348001(k)/A034444(k) between the number of distinct values of the unitary totient function applied to the unitary divisors of k and the number of unitary divisors of k.at n=17A348003