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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 8 |
| 5 | 13 |
| 6 | 17 |
| 7 | 23 |
| 8 | 30 |
| 9 | 40 |
| 10 | 48 |
| 11 | 55 |
| 12 | 65 |
| 13 | 80 |
| 14 | 89 |
| 15 | 98 |
| 16 | 115 |
| 17 | 133 |
| 18 | 144 |
| 19 | 164 |
| 20 | 180 |
| 21 | 198 |
| 22 | 216 |
| 23 | 239 |
| 24 | 258 |
| 25 | 282 |
| 26 | 307 |
| 27 | 331 |
| 28 | 357 |
| 29 | 386 |
| 30 | 407 |
| 31 | 431 |
| 32 | 454 |
| 33 | 480 |
| 34 | 505 |
| 35 | 537 |
| 36 | 571 |
| 37 | 604 |
| 38 | 630 |
| 39 | 654 |
| 40 | 685 |
| 41 | 717 |
| 42 | 748 |
| 43 | 784 |
| 44 | 820 |
| 45 | 859 |
| 46 | 891 |
| 47 | 925 |
| 48 | 967 |
| 49 | 1014 |
| 50 | 1058 |
| 51 | 1104 |
| 52 | 1139 |
| 53 | 1179 |
| 54 | 1227 |
| 55 | 1270 |
[1,3,6,8,13,17,23,30,40,48,55,65,80,89,98,115,133, 144,164,180,198,216,239,258,282,307,331,357,386, 407,431,454,480,505,537,571,604,630,654,685,717, 748,784,820,859,891,925,967,1014,1058,1104,1139, 1179,1227,1270] |