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There are four even integers in the top five rows of Pascal's Triangle. How many even integers are in the top 10 rows of the triangle?

 Mar 30, 2019
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Here are the first 10 rows of Pascal's Triangle. Just count the EVEN integers:

 

1   = R 0
1   1   = R 1
1   2   1   = R 2
1   3   3   1   = R 3
1   4   6   4   1   = R 4
1   5   10   10   5   1   = R 5
1   6   15   20   15   6   1   = R 6
1   7   21   35   35   21   7   1   = R 7
1   8   28   56   70   56   28   8   1   = R 8
1   9   36   84   126   126   84   36   9   1   = R 9

 Mar 30, 2019
edited by Guest  Mar 30, 2019

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