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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 11 |
| 5 | 11 |
| 6 | 30 |
| 7 | 43 |
| 8 | 83 |
| 9 | 121 |
| 10 | 243 |
| 11 | 386 |
| 12 | 710 |
| 13 | 1158 |
| 14 | 2061 |
| 15 | 3464 |
| 16 | 6099 |
| 17 | 10354 |
| 18 | 18057 |
| 19 | 30857 |
| 20 | 53471 |
| 21 | 91711 |
| 22 | 158634 |
| 23 | 272666 |
| 24 | 470750 |
| 25 | 810061 |
| 26 | 1397438 |
| 27 | 2406226 |
| 28 | 4149037 |
| 29 | 7146819 |
| 30 | 12319860 |
| 31 | 21225143 |
| 32 | 36583027 |
| 33 | 63033722 |
| 34 | 108634508 |
| 35 | 187191953 |
| 36 | 322598681 |
| 37 | 555899360 |
| 38 | 957989693 |
[1,3,4,11,11,30,43,83,121,243,386,710,1158,2061, 3464,6099,10354,18057,30857,53471,91711,158634, 272666,470750,810061,1397438,2406226,4149037, 7146819,12319860,21225143,36583027,63033722, 108634508,187191953,322598681,555899360,957989693] |