14627340

Appears in sequences

• Let S(n)=sigma(|n|)/2-n; sequence gives numbers n such that S(S(S(S(n))))=n. May be called {1,2}-sociable number of orders 1 or 2 or 4.at n=27A114529
• Numbers n such that there exists an x!=n that makes {n,n,x,x} an amicable multiset.at n=20A259306
• Expansion of (1/x) * Series_Reversion( x * (1-x)^2 * (1-x+x^3)^2 ).at n=8A368976