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| n | a(n) |
|---|---|
| 1 | 20 |
| 2 | 101 |
| 3 | 180 |
| 4 | 263 |
| 5 | 344 |
| 6 | 425 |
| 7 | 506 |
| 8 | 587 |
| 9 | 668 |
| 10 | 749 |
| 11 | 830 |
| 12 | 909 |
| 13 | 992 |
| 14 | 1073 |
| 15 | 1154 |
| 16 | 1235 |
| 17 | 1316 |
| 18 | 1397 |
| 19 | 1478 |
| 20 | 1559 |
| 21 | 1620 |
| 22 | 1721 |
| 23 | 1802 |
| 24 | 1883 |
| 25 | 1964 |
| 26 | 2045 |
| 27 | 2126 |
| 28 | 2207 |
| 29 | 2288 |
| 30 | 2367 |
| 31 | 2450 |
| 32 | 2531 |
| 33 | 2612 |
| 34 | 2693 |
| 35 | 2774 |
| 36 | 2855 |
| 37 | 2936 |
| 38 | 3017 |
| 39 | 3096 |
[20,101,180,263,344,425,506,587,668,749,830,909, 992,1073,1154,1235,1316,1397,1478,1559,1620,1721, 1802,1883,1964,2045,2126,2207,2288,2367,2450,2531, 2612,2693,2774,2855,2936,3017,3096] |