We can see that on the 2nd, 3rd, 4th, 5th and 10th rows, the highlighted diagonals contains at least one perfect square elements:
- 2nd Diagonal:
- 3rd Diagonal:
- 4th Diagonal:
Given a row limit r, write a function that outputs a set of row numbers , in which the 2nd, 3rd and 4th diagonals of the pascal's triangle contains at least one perfect square elements.
In the case above where 
, the function should return 
.
, the function should return .Solution Stats
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Test case 5 seems to be missing solutions 1683 and 57123, and test cases 6 and 7 seem to be missing those plus 1940451 and 65918163.
HI Tim, Corrected it. Thanks.