Leonardo of Pisa, also known as Fibonacci.
Leonardo Fibonacci discovered the number sequence which is named after him.
Leonardo pision discovered the Fibonacci sequance
42
The 20th Fibonacci number in the sequence is 6,765.
The 16th number of the Fibonacci sequence is 987.
The 9th number in the Fibonacci Sequence is 34, and the 10th number in the Fibonacci sequence is 89.
Not sure about the finonacci sequence but the Fibonacci sequence was discovered and studies by Fibonacci, also known as Leonardo of Pisa.
Because the sequence was discovered and studied by Fibonacci of Pisa
A Fibonacci number, Fibonacci sequence or Fibonacci series are a mathematical term which follow a integer sequence. The first two numbers in Fibonacci sequence start with a 0 and 1 and each subsequent number is the sum of the previous two.
Assuming the Fibonacci sequence starts with the numbers 0, 1, as per sequence A000045, the 24th Fibonacci number is 28657.
middle ages
1123 is not a number included in the Fibonacci Sequence.