199550

Appears in sequences

• Least k such that first k terms of A022303 contain n more 1's than 2's.at n=21A025517
• "DHK[ n ](2n)" (bracelet, identity, unlabeled, n parts, evaluated at 2n) transform of 1,1,1,1,...at n=12A032250
• G.f.: A(x) = exp( Sum_{n>=1} 2*A179117(n)*x^n/n ), where A179117(n) = Sum_{d|n} phi(d^phi(d)).at n=9A179116