| 1 | -- | 24 | Rüdger Thiele. Hilbert's Twenty-Fourth Problem |
| 25 | -- | 35 | Glenn A. Iba, James Tanton. Candy Sharing |
| 36 | -- | 45 | John E. McCarthy. Pick's Theorem - What's the Big Deal? |
| 46 | -- | 49 | Florian Luca. Fermat Primes and Heron Triangles with Prime Power Sides |
| 49 | -- | 52 | Jennifer T. Betcher, John H. Jaroma. An Extension of the Results of Servais and Cramer on Odd Perfect and Odd Multiply Perfect Numbers |
| 52 | -- | 57 | Alan Nash. A Generalized Parallelogram Law |
| 57 | -- | 0 | Uri Elias. Rearrangement of a Conditionally Convergent Series |
| 58 | -- | 0 | N. Prasanna Kumar, B. G. Shenoy. Problem 10987 |
| 58 | -- | 0 | Yongge Tian. Problem 10984 |
| 58 | -- | 0 | Donald E. Knuth. Problem 10985 |
| 58 | -- | 0 | Herbert S. Wilf. Problem 10986 |
| 59 | -- | 0 | Wu Wei Chao. Problem 10988 |
| 59 | -- | 0 | Rick Mabry. Problem 10990 |
| 59 | -- | 0 | Roland Bacher. Problem 10989 |
| 59 | -- | 60 | Donald E. Knuth, Allan Pedersen. Highly Variable Lists: 10691 |
| 60 | -- | 61 | Donald E. Knuth, O. P. Lossers. Exploring All Binary Mazes: 10720 |
| 61 | -- | 62 | Emeric Deutsch, Doyle Henderson, et al.. Three Recurrences for a Single Sequence: 10860 |
| 62 | -- | 63 | Raymond Mortini, Jeff Boersema. Inequivalent Topologies: 10890 |
| 63 | -- | 64 | August Wendijk, Thomas Hermann. Twin Segments in the Arbelos: 10895 |
| 64 | -- | 0 | M. J. Knight, Li Zhou. Hidden Arctangents: 10901 |
| 64 | -- | 65 | Michael Becker, Rolf Richberg. A Moment Evaluation: 10919 |
| 66 | -- | 70 | Victor Pambuccian. Geometry: Euclid and Beyond by Robin Hartshorne |