Lucas number
(Q2503280)
number in the Lucas sequence where each number is the sum of the two preceding it (2, 1, 3, 4, 7, 11, ...)
number in the Lucas sequence where each number is the sum of the two preceding it (2, 1, 3, 4, 7, 11, ...)
Language:
Current Data About
Lucas number
| (P31) |
(Q1759646)
|
||||
| (P138) |
(Q274377)
|
||||
| (P279) |
(Q28920044)
|
||||
| (P1889) |
(Q1759646)
|
||||
| (P2534) |
L(x) = \frac{2 - x}{1 - x - x^2}
L_{n}=L_{n-1}+L_{n-2}, L_1=1, L_0=2
L_n = \left({ 1+ \sqrt{5} \over 2}\right)^n + \left({ 1- \sqrt{5} \over 2}\right)^n |
||||
| (P6104) |
(Q8487137)
|