New in MathWorld -- September 2025
Monday September 29, 2025
- Smallest Cubic Crossing Number Graph (modified)
Sunday September 28, 2025
- Smallest Cubic Crossing Number Graph (modified)
- Smallest Quartic Crossing Number Graph (modified)
Saturday September 27, 2025
- Smallest Quartic Crossing Number Graph (modified)
Wednesday September 24, 2025
- Almost Integer (modified)
- e Approximations (modified)
Tuesday September 23, 2025
- Bourget's Hypothesis (modified)
Monday September 22, 2025
Friday September 19, 2025
- Barbell Graph (modified)
- Folkman Graph (modified)
- Graceful Graph (modified)
- Smallest Quartic Crossing Number Graph
Wednesday September 17, 2025
- Windmill Graph (modified)
Monday September 15, 2025
- Coxeter Graph (modified)
Saturday September 13, 2025
- Factorial (modified)
- Graceful Graph (modified)
- Jarrett Notation
Tuesday September 9, 2025
- Graceful Labeling (modified)
- Harmonic Number (modified)
- Mersenne Prime (modified)
- Uniquely Graceful Graph (modified)
Monday September 8, 2025
- Graceful Labeling (modified)
Thursday September 4, 2025
- Detour Index (modified)
- Unknotting Number (modified)
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