the next number is 21 because it is adding the last number stated.
34
The next number is 13... you're adding the previous two numbers together to produce the next in line.
13 because each time it goes 1 odd number up.
13
13, because if you add the last number to the current number you get the next number
Answer = 21 The next number is the previous 2 numbers added together
1+1=2 1+2=3 2+3=5 ... 8+13=21
These are Fibannoci's numbers. Therefore, the 7th number is 21.
The sequence 14567911 appears to be a series of increasing odd numbers: 1, 5, 7, 9, and then jumps to 11. Following this pattern, the next odd number after 11 is 13. Therefore, the next number in the sequence is 13.
34 55 89 etc..
what number comes next 1 -8 -16 -24 -33
1 1 1