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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 3 |
| 3 | 31 |
| 4 | 4 |
| 5 | 31 |
| 6 | 314 |
| 7 | 4 |
| 8 | 41 |
| 9 | 314 |
| 10 | 3141 |
| 11 | 5 |
| 12 | 41 |
| 13 | 415 |
| 14 | 3141 |
| 15 | 31415 |
| 16 | 9 |
| 17 | 59 |
| 18 | 415 |
| 19 | 4159 |
| 20 | 31415 |
| 21 | 314159 |
| 22 | 9 |
| 23 | 92 |
| 24 | 592 |
| 25 | 4159 |
| 26 | 41592 |
| 27 | 314159 |
| 28 | 3141592 |
| 29 | 9 |
| 30 | 92 |
| 31 | 926 |
| 32 | 5926 |
| 33 | 41592 |
| 34 | 415926 |
| 35 | 3141592 |
| 36 | 31415926 |
| 37 | 9 |
| 38 | 92 |
| 39 | 926 |
| 40 | 9265 |
| 41 | 59265 |
| 42 | 415926 |
| 43 | 4159265 |
| 44 | 31415926 |
[3,3,31,4,31,314,4,41,314,3141,5,41,415,3141, 31415,9,59,415,4159,31415,314159,9,92,592,4159, 41592,314159,3141592,9,92,926,5926,41592,415926, 3141592,31415926,9,92,926,9265,59265,415926, 4159265,31415926] |