How many of the first 100 rows contain at least one even entry and no odd entries other than
+655 If you mean one:
You could find help here:
http://web2.0calc.com/questions/the-first-six-rows-of-pascal-s-triangle-are-shown-below-beginning-with-row-zero-except-for-the-nbsp-nbsp-at-each-end-row-nbsp-nbsp-cons
I have another method doing it though:
Rows 3, 5, 9, 17.. all follow this pattern.
We could rewrite these numbers as 2^1+1, 2^2+1, 2^3+1...the largest row that follows this pattern is 2^6+1 or 65.
There are 6 numbers in this pattern.
