My guess: 2.5
26 As far as I can tell the sequence is +10,-5,+10,-5.
215
This is a peculiar number sequence which follows the following rule: +7, -4, +8, -3, +9, -2... The next few functions would be +10, -1, +11, -0 And thus the next few numbers in the sequence would be 17+10=27, 27-1=26, and so on. The sequence in total goes 2, 9, 5, 13, 10, 19, 17, 27, 26, 37, 37.
It is 26 followed by 31
The next number could be 26 The next number could be 12 - - - - - - - - - The next number that is in the sequence is 12.
a
To get the next number in the sequence, you simply multiply by 26*2=1212*2=2424*2=4848*2=96
31. Each number is derived from the sequence minus 6 then plus 17. Cobblestoneplaza.com
My guess: 2.5
26 As far as I can tell the sequence is +10,-5,+10,-5.
215
This is a peculiar number sequence which follows the following rule: +7, -4, +8, -3, +9, -2... The next few functions would be +10, -1, +11, -0 And thus the next few numbers in the sequence would be 17+10=27, 27-1=26, and so on. The sequence in total goes 2, 9, 5, 13, 10, 19, 17, 27, 26, 37, 37.
It is 26 followed by 31
250 The sequence is t(n) = (22n5 - 381n4 + 2452n3 - 7191n2 + 9538n - 4416)/24 for n = 1, 2, 3, ...
58
The answer is 44. The sequence is adding nine to each number, assuming that the first number is supposed to be -1.