137344

Appears in sequences

• Numbers k such that (k+3)^(k+2) mod (k+1) = k.at n=8A064935
• L.g.f.: -log(1 - Sum_{n>=1} x^(n*(n+1)/2)) = Sum_{n>=1} a(n)*x^n/n.at n=26A224678
• a(n) = A351477(n) * FA where F is the Fermat point of a primitive integer-sided triangle ABC with A < B < C < 2*Pi/3 and FA + FB + FC = A336329(n).at n=31A351801