1,4,9,16,25,36,49.
Each term is a square or triangular number. In the context of the sequence of square numbers, the first term is the first square number, the second term is the second square number and so on.
16,17,18,19,20,21,22,23,24,25.
100
4,9,16,36,49 so 9
the first 4 square numbers are 1, 4, 9, and 16.
The first twenty square numbers are:1,49162536496481100121144169196225256289324361400
The first 5 square numbers are 1, 4, 9, 16, and 25.
The first four PRIME numbers are 2,3,5,7. If you square these you get 4,9,25,49. The first four squared numbers could be 1,4,9,16
1,4,9,16,25,36.
1.4.9.16.25.36
1,4,9,25,36,49,64,81,100,121,144,169,196,225
1,4,9,16,25,36,49.
Each term is a square or triangular number. In the context of the sequence of square numbers, the first term is the first square number, the second term is the second square number and so on.
16,17,18,19,20,21,22,23,24,25.
38.5
The answer is 385