Here is a circuit schematic for a non-inverting amplifier with a gain of 16, using only resistors from the E12 series of numbers:

```
markdown

 ____________
|            |
|  INPUT     |
|____________|
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R1 = 10kΩ
  |
  |
  |____________
|            |
|            |
|    ___     |
|   |___|R2  |
|____________|
  |
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R2 = 62.5kΩ
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  |
  |____________
|            |
|  OUTPUT    |
|____________|
```

The gain of the amplifier can be calculated as A = 1 + (R2 / R1), so for R1 = 10kΩ and R2 = 62.5kΩ, the gain A will be equal to 16.
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