ArithSums

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Contents

• A025529: a prime-cube counterexample
• A357512: fourth-power divisibility at composite indices
• A375178: a fifth-power supercongruence
• A397434: adjacent reduced-coefficient counts
• Adamchuk’s A116184 progression
• Agoh’s alternating-numerator characterization is false
• Barry’s A105595 row-sum conjecture
• The centered Euclidean lower endpoint
• Refutation of the printed barrycade relation
• Disjoint Strict Refinement: A384350 and A384318
• DivisorRecords
• Ferreira’s odd-power residue radical identity
• Greedy brick rows and capacities
• Labelled supported brick geometry
• Israel’s Laguerre Polynomial Parity Conjectures
• Krizek’s A300657 noncomposite characterization
• Nonvanishing Bell values for the logarithmic Laplacian
• Even residues of the logarithmic Laplacian
• Ratajczak’s A008590 gcd-filtered sum characterization
• Schulte’s gcd-quotient row-sum convolution
• OEIS A347293 row-sum convolution
• Takemura’s fixed-point alternating power difference
• Support of a two-point coordinate box
• A Constant-One Difference of Polynomial Character Sums