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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 9 |
| 7 | 12 |
| 8 | 20 |
| 9 | 26 |
| 10 | 39 |
| 11 | 51 |
| 12 | 76 |
| 13 | 96 |
| 14 | 136 |
| 15 | 175 |
| 16 | 241 |
| 17 | 304 |
| 18 | 412 |
| 19 | 517 |
| 20 | 686 |
| 21 | 859 |
| 22 | 1117 |
| 23 | 1392 |
| 24 | 1794 |
| 25 | 2217 |
| 26 | 2818 |
| 27 | 3478 |
| 28 | 4373 |
| 29 | 5363 |
| 30 | 6694 |
| 31 | 8168 |
| 32 | 10113 |
| 33 | 12295 |
| 34 | 15105 |
| 35 | 18289 |
| 36 | 22347 |
| 37 | 26932 |
| 38 | 32712 |
| 39 | 39302 |
| 40 | 47481 |
| 41 | 56825 |
| 42 | 68347 |
[1,1,2,4,5,9,12,20,26,39,51,76,96,136,175,241,304, 412,517,686,859,1117,1392,1794,2217,2818,3478, 4373,5363,6694,8168,10113,12295,15105,18289,22347, 26932,32712,39302,47481,56825,68347] |