# Q10 · Doubling table

The brass drawer grows by repetition: 3, 6, 12, 24. The fifth space is blank. The margin says only, same gesture again.

```json
{
  "sequence": [
    3,
    6,
    12,
    24
  ],
  "rule": "multiply_by_2",
  "next_position": 5
}
```

## Related records

- [Q06 · Current seal register](/archive/quiet-index/r4/q06)
- [Q11 · Botanical drawer](/archive/quiet-index/r4/q11)

Revision: quiet-index-r4. The margins keep count.