113487

Appears in sequences

• Expansion of (1-x+x^2)/((1+x^2)(1-4x+x^2)).at n=9A099489
• a(n) = 7 + floor(Sum_{j=1..n-1} a(j) / 2).at n=24A120136
• E.g.f.: Sum_{n>=0} Product_{k=1..n} (1 - exp(-n*k*x)).at n=4A187803