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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 10 |
| 7 | 15 |
| 8 | 24 |
| 9 | 37 |
| 10 | 49 |
| 11 | 73 |
| 12 | 105 |
| 13 | 142 |
| 14 | 208 |
| 15 | 294 |
| 16 | 391 |
| 17 | 538 |
| 18 | 752 |
| 19 | 988 |
| 20 | 1359 |
| 21 | 1812 |
| 22 | 2410 |
| 23 | 3232 |
| 24 | 4270 |
| 25 | 5598 |
| 26 | 7454 |
| 27 | 9721 |
| 28 | 12639 |
| 29 | 16625 |
| 30 | 21445 |
| 31 | 27649 |
| 32 | 35793 |
| 33 | 46235 |
| 34 | 59141 |
| 35 | 76215 |
| 36 | 96975 |
| 37 | 123262 |
| 38 | 157671 |
| 39 | 199625 |
| 40 | 252591 |
| 41 | 319792 |
| 42 | 403262 |
| 43 | 507682 |
[1,1,1,3,4,7,10,15,24,37,49,73,105,142,208,294, 391,538,752,988,1359,1812,2410,3232,4270,5598, 7454,9721,12639,16625,21445,27649,35793,46235, 59141,76215,96975,123262,157671,199625,252591, 319792,403262,507682] |