63
it is 7
3 Each term is divided by 3 to produce the following term.
144 The sequence goes by adding the number plus the number before it to get the next number: 1+1=2 1+2=3 2+3=5 3+5=8...
Prime number sequence.
An interruption.
Each following number in the sequence is being divided by 4. Therefore, the next number in the sequence is 3/4 = 0.75.
The next number in the sequence is 6. The sequence alternates between adding 3 and subtracting 1 from the previous number.
63
it is 7
3 Each term is divided by 3 to produce the following term.
144 The sequence goes by adding the number plus the number before it to get the next number: 1+1=2 1+2=3 2+3=5 3+5=8...
21. This is the Fibonacci series.
The sequence is taking half of the number and adding it to that number, 3/2 = 1.5, 3 + 1.5 = 4.5, the next number in the sequence is 15.1875
Prime number sequence.
They are arrange alphabetically.
The sequence is generated using cubes, or n^3. The next number in the sequence will be 4^3, or 256.