86267571273
domain: N
Appears in sequences
- Expansion of (2-6*x+4*x^2-x^3)/((1-x)*(1-3*x+x^2)).at n=27A052925
- a(n) = 3*a(n-1) - a(n-2) - 1 with a(0) = 1 and a(1) = 2.at n=27A055588
- a(n) = Fibonacci(4n+2) + 1, or Fibonacci(2n+2)*Lucas(2n).at n=13A081004
- a(n) = F(n)*L(n-2) where F = Fibonacci and L = Lucas numbers.at n=28A128535
- a(2n) = A000045(6n) + 1, a(2n+1) = A000045(6n+3) - 1.at n=18A140413