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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 12 |
| 4 | 21 |
| 5 | 31 |
| 6 | 45 |
| 7 | 59 |
| 8 | 78 |
| 9 | 97 |
| 10 | 119 |
| 11 | 141 |
| 12 | 173 |
| 13 | 199 |
| 14 | 229 |
| 15 | 261 |
| 16 | 300 |
| 17 | 334 |
| 18 | 379 |
| 19 | 417 |
| 20 | 467 |
| 21 | 511 |
| 22 | 557 |
| 23 | 603 |
| 24 | 671 |
| 25 | 722 |
| 26 | 776 |
| 27 | 834 |
| 28 | 902 |
| 29 | 960 |
| 30 | 1040 |
| 31 | 1102 |
| 32 | 1181 |
| 33 | 1249 |
| 34 | 1319 |
| 35 | 1391 |
| 36 | 1494 |
| 37 | 1568 |
| 38 | 1646 |
| 39 | 1726 |
| 40 | 1832 |
| 41 | 1914 |
| 42 | 2022 |
| 43 | 2108 |
| 44 | 2212 |
| 45 | 2314 |
| 46 | 2408 |
| 47 | 2502 |
| 48 | 2642 |
| 49 | 2741 |
| 50 | 2854 |
| 51 | 2958 |
| 52 | 3080 |
| 53 | 3186 |
| 54 | 3324 |
| 55 | 3436 |
[2,6,12,21,31,45,59,78,97,119,141,173,199,229,261, 300,334,379,417,467,511,557,603,671,722,776,834, 902,960,1040,1102,1181,1249,1319,1391,1494,1568, 1646,1726,1832,1914,2022,2108,2212,2314,2408,2502, 2642,2741,2854,2958,3080,3186,3324,3436] |