5212613
domain: N
Appears in sequences
- Bisection (even part) of Chebyshev sequence with Diophantine property.at n=8A077240
- Combined Diophantine Chebyshev sequences A077240 and A077239.at n=16A077242
- Expansion of x*(5 + 215*x - 1253*x^2 - 23*x^3)/((1 + 34*x + x^2)*(1 - 34*x + x^2)).at n=4A144796
- a(n) = ((5 + 2*sqrt(2))*(1 + sqrt(2))^n + (5 - 2*sqrt(2))*(1 - sqrt(2))^n)/2.at n=16A163607