by @kodeazy

flutter what is fibonacci series and example program to print upto 15 numbers in dart without using recursion?

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  • -In fibonacci series next number is sum of previous two numbers. -F(n)=F(n-1)+F(n-2).
  • Initial two numbers are 0,1. -Example of fibonacci series 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 etc.
  • Below is example program of fibonacci series without using recursion in dart

    void main() {
      int previousNumber1 = 0, previousNumber2 = 1, nextNumber, total = 15;
      print(previousNumber1);
      print(previousNumber2);
      
      for (int num = 2; num < total; ++num) {
          nextNumber = previiousNumber1 + previousNumber2;
          print(nextNumber);
          previousNumber1 = previousNumber2;
          previousNumber2 = nextNumber;
      }
    }

    Output:

    0
    1
    1
    2
    3
    5
    8
    13
    21
    34
    55
    89
    144
    233
    377