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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 5 |
| 8 | 6 |
| 9 | 8 |
| 10 | 10 |
| 11 | 12 |
| 12 | 15 |
| 13 | 18 |
| 14 | 22 |
| 15 | 26 |
| 16 | 31 |
| 17 | 37 |
| 18 | 44 |
| 19 | 52 |
| 20 | 61 |
| 21 | 71 |
| 22 | 83 |
| 23 | 97 |
| 24 | 112 |
| 25 | 130 |
| 26 | 150 |
| 27 | 173 |
| 28 | 199 |
| 29 | 228 |
| 30 | 261 |
| 31 | 298 |
| 32 | 340 |
| 33 | 386 |
| 34 | 439 |
| 35 | 497 |
| 36 | 563 |
| 37 | 637 |
| 38 | 718 |
| 39 | 809 |
| 40 | 910 |
| 41 | 1023 |
| 42 | 1147 |
| 43 | 1286 |
| 44 | 1439 |
| 45 | 1608 |
| 46 | 1796 |
| 47 | 2003 |
| 48 | 2231 |
| 49 | 2483 |
| 50 | 2761 |
| 51 | 3065 |
| 52 | 3401 |
| 53 | 3770 |
| 54 | 4175 |
| 55 | 4619 |
[1,1,1,2,2,3,4,5,6,8,10,12,15,18,22,26,31,37,44, 52,61,71,83,97,112,130,150,173,199,228,261,298, 340,386,439,497,563,637,718,809,910,1023,1147, 1286,1439,1608,1796,2003,2231,2483,2761,3065,3401, 3770,4175,4619] |