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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 8 |
| 7 | 9 |
| 8 | 14 |
| 9 | 18 |
| 10 | 23 |
| 11 | 30 |
| 12 | 41 |
| 13 | 49 |
| 14 | 65 |
| 15 | 81 |
| 16 | 103 |
| 17 | 126 |
| 18 | 161 |
| 19 | 194 |
| 20 | 244 |
| 21 | 295 |
| 22 | 364 |
| 23 | 440 |
| 24 | 539 |
| 25 | 646 |
| 26 | 785 |
| 27 | 937 |
| 28 | 1131 |
| 29 | 1345 |
| 30 | 1614 |
| 31 | 1908 |
| 32 | 2278 |
| 33 | 2688 |
| 34 | 3187 |
| 35 | 3749 |
| 36 | 4427 |
| 37 | 5186 |
| 38 | 6100 |
| 39 | 7127 |
| 40 | 8348 |
| 41 | 9722 |
| 42 | 11351 |
| 43 | 13180 |
| 44 | 15338 |
| 45 | 17765 |
| 46 | 20604 |
| 47 | 23808 |
| 48 | 27538 |
| 49 | 31735 |
| 50 | 36611 |
| 51 | 42100 |
| 52 | 48439 |
| 53 | 55581 |
[1,2,2,4,5,8,9,14,18,23,30,41,49,65,81,103,126, 161,194,244,295,364,440,539,646,785,937,1131,1345, 1614,1908,2278,2688,3187,3749,4427,5186,6100,7127, 8348,9722,11351,13180,15338,17765,20604,23808, 27538,31735,36611,42100,48439,55581] |