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
10
The next number in the sequence is 6. The sequence alternates between adding 3 and subtracting 1 from the previous number.
Each following number in the sequence is being divided by 4. Therefore, the next number in the sequence is 3/4 = 0.75.