# Thread: help me with this sequence

1. ## help me with this sequence

Help me to find the formula of this sequence if such exists, and determine what's the next three terms:

a. 1,10,11,100,101,110,111,1000,10001,1010,1011,....
b. 1,0,0,1,1,1,0,0,0,0,1,1,1,1,1

2. Originally Posted by TheRekz
Help me to find the formula of this sequence if such exists, and determine what's the next three terms:

a. 1,10,11,100,101,110,111,1000,10001,1010,1011,....
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ... binary

b. 1,0,0,1,1,1,0,0,0,0,1,1,1,1,1
run lengths 1, 2, 3, 4, 5, ..

RonL