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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 11 |
| 5 | 17 |
| 6 | 24 |
| 7 | 32 |
| 8 | 42 |
| 9 | 53 |
| 10 | 65 |
| 11 | 78 |
| 12 | 93 |
| 13 | 109 |
| 14 | 126 |
| 15 | 145 |
| 16 | 165 |
| 17 | 186 |
| 18 | 208 |
| 19 | 232 |
| 20 | 257 |
| 21 | 283 |
| 22 | 310 |
| 23 | 339 |
| 24 | 369 |
| 25 | 400 |
| 26 | 432 |
| 27 | 466 |
| 28 | 501 |
| 29 | 537 |
| 30 | 575 |
| 31 | 614 |
| 32 | 654 |
| 33 | 695 |
| 34 | 738 |
| 35 | 782 |
| 36 | 827 |
| 37 | 873 |
| 38 | 921 |
| 39 | 970 |
| 40 | 1020 |
| 41 | 1071 |
| 42 | 1124 |
| 43 | 1178 |
| 44 | 1233 |
| 45 | 1290 |
| 46 | 1348 |
| 47 | 1407 |
| 48 | 1467 |
| 49 | 1529 |
| 50 | 1592 |
| 51 | 1656 |
[1,3,6,11,17,24,32,42,53,65,78,93,109,126,145,165, 186,208,232,257,283,310,339,369,400,432,466,501, 537,575,614,654,695,738,782,827,873,921,970,1020, 1071,1124,1178,1233,1290,1348,1407,1467,1529,1592, 1656] |