Every next number is increased by 5. The next number in the sequence is 23.
8, 13, 18, 23, 28, etc.
The answer is 34. The full sequence is called the Fibonachi series. Your sequence is 3 5 8 13 21 3 + 5= 8 8 + 13 = 21 Therefore: 13 + 21 = 34
The lucas numbers are a sequence of numbers. They go as 1, 3, 4, 7, 11, 18 etc the sequence is bery similar to the Fibonacci sequence (1, 1, 2, 3, 5, 8, 13)
8 1+2 = 3 2+3 = 5 3+5 = 8 5+8 = 13 8+13 = 21
its the Fibonacci sequence
Fibonacci Sequence
18 3 +1 4 +2 6 +3 9 +4 13 +5 18 +6 24 +7 31 +8 39 +9 48 +10 58...
By subtracting one term from the next the common difference can be found: Using -8 and -13: -13 - -8 = 13 + 8 = -5 → Common difference is -5.
Fibonacci sequence Fibonacci sequence
55,73and 110
It is almost the Fibonacci sequence, which is 0 1 1 2 3 5 8 13 21 34 55 ...1 + 2 = 32 + 3 = 53 + 5 = 85 + 8 = 13So, the sequence is 1 2 3 5 8 13
13, 21 - it is the Fibonacci sequence