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Published June 27, 2026 | Version v14

Newton's interpolation formula and sums of powers

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Abstract

In this manuscript, we derive closed formulas for multifold sums of powers of integers by combining the forward Newton interpolation formula with hockey-stick identities for binomial coefficients. We further obtain representations of multifold sums of powers in terms of Stirling numbers of the second kind and Eulerian numbers. Finally, we provide Wolfram Mathematica programs for the efficient verification of the derived identities.

Related works

OEIS

  • https://oeis.org/A131689 — Triangle of numbers T(n,k) = k!*Stirling2(n,k) read by rows, T(n, k) for 0 <= k <= n.
  • https://oeis.org/A028246 — Triangular array a(n,k) = (1/k)*Sum_{i=0..k} (-1)^(k-i)*binomial(k,i)*i^n; n >= 1, 1 <= k <= n, read by rows.
  • https://oeis.org/A038719 — Triangle T(n,k) (0 <= k <= n) giving number of chains of length k in partially ordered set formed from subsets of n-set by inclusion.
  • https://oeis.org/A391552 — Triangle read by rows: T(n,k) = Sum_{j=0..k} (-1)^(k-j) * binomial(k,j) * (3+j)^n.
  • https://oeis.org/A391633 — Triangle read by rows: T(n,k) = Sum_{j=0..k} (-1)^(k-j) * binomial(k,j) * (4+j)^n.
  • https://oeis.org/A391635 — Triangle read by rows: T(n,k) = Sum_{j=0..k} (-1)^(k-j) * binomial(k,j) * (5+j)^n.

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