Index - N
| neighborOffsets | Day17 |
| neighborOffsets' | Day17 |
| newCurrentCup | Day23 |
| nextTurn | Day15 |
| Nil | Day18 |
| Node | |
| 1 (Type/Class) | Day10 |
| 2 (Data Constructor) | Day10 |
| NOP | Day08 |
| NORMAL | Day08 |
| North | Day12 |
| North' | Day12 |
| Notes | |
| 1 (Type/Class) | Day16 |
| 2 (Data Constructor) | Day16 |
| Number | Day15 |
| numberOfAdjacentBlackTiles | Day24 |
| numberOfAdjacentBlackTiles' | Day24 |