from utime import sleep
from machine import Pin

leds = [1, 5, 6]
def sequence(led_number, times):
    for i in range(times):
        Pin(led_number, Pin.OUT).toggle()
        sleep(0.5)
        Pin(led_number, Pin.OUT).toggle()
        sleep(0.5)
    
def blinks_number():
    
    result = 0
    privious = 0
    after = 1

while True:
    for x in range(leds):
        after += privious
        privious += after
        print(after, privious)
        sequence(leds[x], after)