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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 9 |
| 6 | 12 |
| 7 | 15 |
| 8 | 19 |
| 9 | 23 |
| 10 | 27 |
| 11 | 32 |
| 12 | 37 |
| 13 | 42 |
| 14 | 48 |
| 15 | 54 |
| 16 | 61 |
| 17 | 68 |
| 18 | 75 |
| 19 | 83 |
| 20 | 91 |
| 21 | 100 |
| 22 | 109 |
| 23 | 118 |
| 24 | 128 |
| 25 | 138 |
| 26 | 148 |
| 27 | 159 |
| 28 | 170 |
| 29 | 182 |
| 30 | 194 |
| 31 | 206 |
| 32 | 219 |
| 33 | 232 |
| 34 | 245 |
| 35 | 259 |
| 36 | 273 |
| 37 | 288 |
| 38 | 303 |
| 39 | 318 |
| 40 | 334 |
| 41 | 350 |
| 42 | 367 |
| 43 | 384 |
| 44 | 401 |
| 45 | 419 |
| 46 | 437 |
| 47 | 455 |
| 48 | 474 |
| 49 | 493 |
| 50 | 513 |
| 51 | 533 |
| 52 | 553 |
| 53 | 574 |
| 54 | 595 |
| 55 | 617 |
| 56 | 639 |
[1,2,3,5,7,9,12,15,19,23,27,32,37,42,48,54,61,68, 75,83,91,100,109,118,128,138,148,159,170,182,194, 206,219,232,245,259,273,288,303,318,334,350,367, 384,401,419,437,455,474,493,513,533,553,574,595, 617,639] |