2-1 = 1
4-2 = 2
7-4 =3
x-7 = 4 -> x = 11
So: 1, 2, 4, 7, 11, 16, 22 etc.
Chat with our AI personalities
first number +3 2nd number +2
1/2 then 1/4 1/8 1/16 1/32
11
Un = 4(n-1) where n = 1, 2, 3, ...
The Pattern is 1^2- 2^2- 3^2- 4^2- 5^2 or 1 - 4 - 9 - 16 - 25 The next number in the series is 6^2 or 36