81. They are the perfect squares of numbers starting from 5.
81. They are the perfect squares of numbers starting from 5.
81. They are the perfect squares of numbers starting from 5.
81. They are the perfect squares of numbers starting from 5.
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This is a sequence of perfect squares. 12=1, 22=4, 32=9, 42=16, 52=25. The next number is 62=36.
If you mean: 1 4 9 16 25 then it is 36
The next number will be 25 because 5 times 5 = 25
36
81