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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 13 |
| 7 | 20 |
| 8 | 29 |
| 9 | 40 |
| 10 | 52 |
| 11 | 66 |
| 12 | 82 |
| 13 | 100 |
| 14 | 120 |
| 15 | 141 |
| 16 | 164 |
| 17 | 189 |
| 18 | 216 |
| 19 | 245 |
| 20 | 276 |
| 21 | 309 |
| 22 | 343 |
| 23 | 379 |
| 24 | 417 |
| 25 | 457 |
| 26 | 499 |
| 27 | 543 |
| 28 | 589 |
| 29 | 637 |
| 30 | 687 |
| 31 | 738 |
| 32 | 791 |
| 33 | 846 |
| 34 | 903 |
| 35 | 962 |
| 36 | 1023 |
| 37 | 1086 |
| 38 | 1151 |
| 39 | 1218 |
| 40 | 1287 |
| 41 | 1358 |
| 42 | 1430 |
| 43 | 1504 |
| 44 | 1580 |
| 45 | 1658 |
| 46 | 1738 |
| 47 | 1820 |
| 48 | 1904 |
| 49 | 1990 |
| 50 | 2078 |
| 51 | 2168 |
[1,1,2,4,8,13,20,29,40,52,66,82,100,120,141,164, 189,216,245,276,309,343,379,417,457,499,543,589, 637,687,738,791,846,903,962,1023,1086,1151,1218, 1287,1358,1430,1504,1580,1658,1738,1820,1904,1990, 2078,2168] |