269154

Appears in sequences

• Product(1 + a(n)*x^n, n=1..infinity) = sum(F(k+1)*x^k, k=1..infinity) = 1/(1-x-x^2), where F(n) = A000045(n) (Fibonacci numbers).at n=31A147542
• Minimized zeroless factorials.at n=20A374265