## Problem of the Day #92: Binomial Coefficients Modulo 5
*June 19, 2011*

*Posted by Billy in : potd , trackback*

Find the number of coefficients of $(1+x)^{493}$ that are congruent to $0$ mod $5$.

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## Problem of the Day #92: Binomial Coefficients Modulo 5
*June 19, 2011*

*Posted by Billy in : potd , trackback
*

Find the number of coefficients of $(1+x)^{493}$ that are congruent to $0$ mod $5$.

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