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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 21 |
| 3 | 55 |
| 4 | 253 |
| 5 | 1081 |
| 6 | 1711 |
| 7 | 3403 |
| 8 | 5671 |
| 9 | 13861 |
| 10 | 15931 |
| 11 | 25651 |
| 12 | 34453 |
| 13 | 60031 |
| 14 | 64261 |
| 15 | 73153 |
| 16 | 108811 |
| 17 | 114481 |
| 18 | 126253 |
| 19 | 158203 |
| 20 | 171991 |
| 21 | 258121 |
| 22 | 351541 |
| 23 | 371953 |
| 24 | 392941 |
| 25 | 482653 |
| 26 | 518671 |
| 27 | 703891 |
| 28 | 822403 |
| 29 | 853471 |
| 30 | 869221 |
| 31 | 933661 |
| 32 | 1034641 |
| 33 | 1104841 |
[10,21,55,253,1081,1711,3403,5671,13861,15931, 25651,34453,60031,64261,73153,108811,114481, 126253,158203,171991,258121,351541,371953,392941, 482653,518671,703891,822403,853471,869221,933661, 1034641,1104841] |