Generalizing tuenter's binomial sums
Uenter considered centered binomial sums of the form () where r and n are non-negative integers. We consider sums of the form which are a generalization of Tuenter’s sums and may be interpreted as moments of a symmetric Bernoulli random walk with n steps. The form of Ur (n) depends on the parities of both r and n. In fact, Ur (n) is the product of a polynomial (depending on the parities of r and n) times a power of two or a binomial coefficient. In all cases the polynomials can be expressed in...[Show more]
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|Source:||Journal of Integer Sequences|
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