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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 9 |
| 5 | 8 |
| 6 | 21 |
| 7 | 16 |
| 8 | 39 |
| 9 | 38 |
| 10 | 64 |
| 11 | 57 |
| 12 | 146 |
| 13 | 102 |
| 14 | 186 |
| 15 | 211 |
| 16 | 352 |
| 17 | 298 |
| 18 | 593 |
| 19 | 491 |
| 20 | 906 |
| 21 | 880 |
| 22 | 1273 |
| 23 | 1256 |
| 24 | 2444 |
| 25 | 1998 |
| 26 | 3038 |
| 27 | 3277 |
| 28 | 4861 |
| 29 | 4566 |
| 30 | 7710 |
| 31 | 6843 |
| 32 | 10841 |
| 33 | 10742 |
| 34 | 14966 |
| 35 | 15071 |
| 36 | 24499 |
| 37 | 21638 |
| 38 | 31334 |
| 39 | 32706 |
| 40 | 47157 |
| 41 | 44584 |
| 42 | 67464 |
| 43 | 63262 |
| 44 | 91351 |
| 45 | 94247 |
| 46 | 125248 |
[1,1,3,4,9,8,21,16,39,38,64,57,146,102,186,211, 352,298,593,491,906,880,1273,1256,2444,1998,3038, 3277,4861,4566,7710,6843,10841,10742,14966,15071, 24499,21638,31334,32706,47157,44584,67464,63262, 91351,94247,125248] |