43053480

Appears in sequences

• a(n) = Sum_{d|8} phi(d)*n^(8/d).at n=9A054607
• a(n) = Sum_{d|n} phi(d)*9^(n/d).at n=8A054616
• Triangle T(n,k) = Sum_{d|k} phi(d)*n^(k/d).at n=43A054619