function fib(uint256 _n) internal pure returns (uint256) {
        if (_n == 0) {
            return 0;
        } else if (_n == 1 || _n == 2) {
            return 1;
        } else {
            uint256 fi_1 = 1;
            uint256 fi_2 = 1;
            for (uint256 i = 2; i < _n; i++) {
                uint256 fi = fi_2 + fi_1;
                fi_2 = fi_1;
                fi_1 = fi;
            }

            return fi_1;
        }
    }

            /**

 
             * First 10 Levels: 
             * 1. 300
             * 2. 500
             * 3. 800
             * 4. 1300
             * 5. 2100
             * 6. 3400 
             * 7. 5500 
             * 8. 8900 
             * 9. 14400
             * 10. 23300
             */        
        for(uint256 i = 1; i <= MAX_LEVEL; i++){
            console.log((fib(i+3) * 100));
            Levels.setExperience(i, (fib(i+3) * 100));
}