An interruption.
A single number, such as 2481020, cannot define a sequence.
A single number, such as 256196144100643616 does not represent a sequence.
10
Each following number in the sequence is being divided by 4. Therefore, the next number in the sequence is 3/4 = 0.75.
The term that comes before nth term
A single number, such as 172516261546 does not represent a sequence.
A single number, such as 483672438 does not make a sequence.
The sequence appears to represent the positions of letters in the alphabet: A=1, R=18, D=4. Following this pattern, the next letter is T, which is the 20th letter. Therefore, the next number in the sequence is 20.
A single number, such as 2481020, cannot define a sequence.
A single number, such as 3773949588525642992, does not constitute a sequence.
A single number, such as 256196144100643616 does not represent a sequence.
39
36864
10
The number sequence that comes after 2099 is 2100. In a simple counting sequence, each subsequent number increases by one. Therefore, following 2099, you would have 2100, then 2101, and so on.
10
The next number in the sequence is 6. The sequence alternates between adding 3 and subtracting 1 from the previous number.