186612

Appears in sequences

• Number of 6-ary Lyndon words with trace 0 mod 6.at n=8A054665
• Number of 6-ary Lyndon words with trace 3 mod 6.at n=8A054700
• a(n) = 144*n^2 - 12.at n=35A158543
• Numbers k such that sigma(k) = 2*sigma(k+1).at n=33A163193