The number of students on each side of the outermost layer was $$196\div 4+1=50$$. The total number of students in the array was $$50\times 50=2500$$. 
Seventh grade students from a school line up and form a square array. There are $196$ students in the outermost layer. How many students in total are there in this array? 

[1] $$1960$$ 
[2] $$2401$$ 
[3] $$2000$$ 
[4] $$2601$$ 
[5] $$2500$$ 