# New in *MathWorld*

### Friday December 17, 2021

- Doyle Graph (modified)

### Monday December 13, 2021

- Integer Sequence Primes (modified)
- Smarandache Prime (modified)
- Zebra Graph (modified)

### Thursday December 9, 2021

- Block (modified)
- Camel Graph (modified)
- Flower Snark (modified)
- Giraffe Graph (modified)
- Goldberg Graph (NEW)
- Goldberg Snark (NEW)
- Tietze's Graph (modified)
- Zebra Graph (modified)

### Wednesday December 8, 2021

- Snark (modified)
- Weak Snark (NEW)

### Tuesday December 7, 2021

- Biconnected Graph (modified)
- Camel Graph (modified)
- Giraffe Graph (modified)
- Zebra Graph (modified)

### Friday December 3, 2021

- Articulation Vertex (modified)

### Thursday December 2, 2021

- Block (modified)

### Wednesday December 1, 2021

- Antelope Graph (modified)
- Fairy Chess (modified)
- Giraffe Graph (modified)
- Leaper Graph (modified)
- Zebra Graph (modified)

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