Fibonnaci Objective-C (Returns an array)

fibo_objc.m

- (NSArray *)fibonnaci:(NSNumber *)number {
    NSMutableArray *array = [NSMutableArray new];
    
    for (int i = 0; i < [number intValue]; i++) {
        if (i < 2) {
            [array addObject:@(i)];
        } else {
            int fib = ([array[i-1] intValue] + [array[i-2] intValue]);
            [array addObject:@(fib)];
        }
    }
    
    NSLog(@"Fibo: %@", array);
    
    return array;
}