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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 14 |
| 2 | 141 |
| 3 | 1414 |
| 4 | 14142 |
| 5 | 141421 |
| 6 | 1414214 |
| 7 | 14142136 |
| 8 | 141421356 |
| 9 | 1414213562 |
| 10 | 14142135624 |
| 11 | 141421356237 |
| 12 | 1414213562373 |
| 13 | 14142135623731 |
| 14 | 141421356237310 |
| 15 | 1414213562373095 |
| 16 | 14142135623730950 |
| 17 | 141421356237309505 |
| 18 | 1414213562373095049 |
| 19 | 14142135623730950488 |
[1,14,141,1414,14142,141421,1414214,14142136, 141421356,1414213562,14142135624,141421356237, 1414213562373,14142135623731,141421356237310, 1414213562373095,14142135623730950, 141421356237309505,1414213562373095049, 14142135623730950488] |