27335880

Appears in sequences

• Numbers n such that there exists an x!=n that makes {n,n,n,x} an amicable multiset.at n=18A259304
• Irregular triangular array T; row n shows the coefficients of the (n-1)-st polynomial in the obverse convolution s(x)**t(x), where s(x) = x+F(n) and t(x) = x+F(n), and F(n) = n-th Fibonacci number (A000045). See Comments.at n=36A375049