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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 9 |
| 10 | 11 |
| 11 | 13 |
| 12 | 16 |
| 13 | 19 |
| 14 | 22 |
| 15 | 26 |
| 16 | 30 |
| 17 | 34 |
| 18 | 39 |
| 19 | 44 |
| 20 | 49 |
| 21 | 55 |
| 22 | 61 |
| 23 | 67 |
| 24 | 74 |
| 25 | 81 |
| 26 | 88 |
| 27 | 97 |
| 28 | 106 |
| 29 | 115 |
| 30 | 126 |
| 31 | 137 |
| 32 | 148 |
| 33 | 161 |
| 34 | 174 |
| 35 | 187 |
| 36 | 203 |
| 37 | 219 |
| 38 | 235 |
| 39 | 254 |
| 40 | 273 |
| 41 | 292 |
| 42 | 314 |
| 43 | 336 |
| 44 | 358 |
| 45 | 384 |
| 46 | 410 |
| 47 | 436 |
| 48 | 466 |
| 49 | 496 |
| 50 | 526 |
| 51 | 560 |
| 52 | 594 |
| 53 | 628 |
| 54 | 667 |
| 55 | 706 |
| 56 | 745 |
| 57 | 789 |
| 58 | 833 |
| 59 | 877 |
[1,1,2,3,4,5,6,7,9,11,13,16,19,22,26,30,34,39,44, 49,55,61,67,74,81,88,97,106,115,126,137,148,161, 174,187,203,219,235,254,273,292,314,336,358,384, 410,436,466,496,526,560,594,628,667,706,745,789, 833,877] |