18359

Appears in sequences

• Numbers whose base-5 representation contains exactly three 1's and three 4's.at n=25A045262
• a(n) = n*(Fibonacci(n) - 1) + Fibonacci(n + 2) - 1.at n=15A131412
• G.f. A(x) satisfies: A(x) = Sum_{k>=0} k!*x^k*A(x)^k/(1 + x*A(x))^(k+1).at n=8A307444