418299

Appears in sequences

• Les Marvin sequence: a(n) = F(n) + (n-1)*F(n-1), F() = Fibonacci numbers.at n=22A007502
• Fibonacci sequence beginning 1, 23.at n=22A022393
• G.f.: exp( Sum_{n>=1} A119616(n)*x^n/n ) where A119616(n) = (sigma(n)^2 - sigma(n,2))/2.at n=35A201825