# Talk:Sum of Bernoulli Numbers by Binomial Coefficients Vanishes

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While it is neat and complete to add the condition on $n$ to the summation, technically you don't need it because for $n < 1$ the summation is vacuous. --prime mover (talk) 12:03, 27 May 2020 (EDT)

Nope, ignore me because it's false for $n = 1$. --prime mover (talk) 12:05, 27 May 2020 (EDT)
Mind, we might want to define it using the Kronecker delta which then makes it true for all $n \in \Z$. --prime mover (talk) 12:06, 27 May 2020 (EDT)