| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 7 |
| 8 | 8 |
| 9 | 11 |
| 10 | 13 |
| 11 | 16 |
| 12 | 18 |
| 13 | 22 |
| 14 | 26 |
| 15 | 30 |
| 16 | 35 |
| 17 | 39 |
| 18 | 46 |
| 19 | 51 |
| 20 | 60 |
| 21 | 67 |
| 22 | 76 |
| 23 | 84 |
| 24 | 94 |
| 25 | 105 |
| 26 | 119 |
| 27 | 133 |
| 28 | 147 |
| 29 | 162 |
| 30 | 176 |
| 31 | 196 |
| 32 | 218 |
| 33 | 240 |
| 34 | 263 |
| 35 | 286 |
| 36 | 310 |
| 37 | 340 |
| 38 | 374 |
| 39 | 409 |
| 40 | 441 |
| 41 | 476 |
| 42 | 515 |
| 43 | 559 |
| 44 | 608 |
| 45 | 662 |
| 46 | 711 |
| 47 | 762 |
| 48 | 817 |
| 49 | 883 |
| 50 | 955 |
| 51 | 1030 |
| 52 | 1104 |
| 53 | 1177 |
| 54 | 1257 |
| 55 | 1352 |
| 56 | 1453 |
| 57 | 1559 |
[1,1,1,2,3,4,5,7,8,11,13,16,18,22,26,30,35,39,46, 51,60,67,76,84,94,105,119,133,147,162,176,196,218, 240,263,286,310,340,374,409,441,476,515,559,608, 662,711,762,817,883,955,1030,1104,1177,1257,1352, 1453,1559] |