152845056
domain: N
Appears in sequences
- Number of 6-ary Lyndon words of length n with trace 1 and subtrace 2 over Z_6.at n=13A074430
- Number of 6-ary Lyndon words of length n with trace 3 and subtrace 4 over Z_6.at n=13A074444
- Numbers that can be obtained by inserting multiplication signs among the digits of their squares.at n=13A217247
- a(n) = phi(3^n+1), where phi is Euler's totient function (A000010).at n=18A366579
- a(n) = phi(9^n+1), where phi is Euler's totient function (A000010).at n=9A366667
- a(n) is phi(n^n + 1) where phi is the Euler totient function.at n=9A366822