# Calculate A+B+C+D

Look at the series (10, C, B, 59, A, 227, 451, 899, 1795, 3587, D, 14339, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A+B+C+D!Correct answers:

**42**The first user who solved this task is

**Nasrin 24 T**.#brainteasers #math