113
8 15 29 57 ___
From 8: add 7 = 15
15 + (7 * 2) = 15 + 14 = 29
29 + (14 * 2) = 29 + 28 = 57
57 + (28 * 2) = 57 + 56 = 113
Chat with our AI personalities
The pattern is add three and then multiply by three. The next number is 174.
the next two are 174 and 522.
-57
174 =============== 18 = 15+3 54 = 18x3 57 = 54+3 171= 57x3 174= 171+3
15.0526