Leonardo number
English edit
Etymology edit
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “from Fibonacci's first name?”)
Noun edit
Leonardo number (plural Leonardo numbers)
- (mathematics) Any of a sequence of numbers related to the Fibonacci numbers. L(0) = 1, L(1) = 1, and then, for all n larger than 1, L(n) = L(n-1)+L(n-2)+1.