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This is the series of square numbers, (16= 4*4).

The next number is 5*5=25.

Q: What number should come next at the end of the series 1 4 9 16?

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The next number is -21

21

The next number is 25 but there are the sequence is infinite so there can be no end to the sequence.

Well, the pattern is the previous number plus the current number. So the next three numbers would be 21, 34, 55...

The Pattern is 1^2- 2^2- 3^2- 4^2- 5^2 or 1 - 4 - 9 - 16 - 25 The next number in the series is 6^2 or 36

Related questions

The next number is -21

the answer will be 21

10

225

21

21

21.

21

The next number is 25 but there are the sequence is infinite so there can be no end to the sequence.

A single number, such as 12848384 does not make a series.

12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50

Well, the pattern is the previous number plus the current number. So the next three numbers would be 21, 34, 55...