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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 8 |
| 4 | 13 |
| 5 | 20 |
| 6 | 37 |
| 7 | 56 |
| 8 | 83 |
| 9 | 134 |
| 10 | 196 |
| 11 | 280 |
| 12 | 419 |
| 13 | 592 |
| 14 | 824 |
| 15 | 1176 |
| 16 | 1618 |
| 17 | 2202 |
| 18 | 3040 |
| 19 | 4096 |
| 20 | 5471 |
| 21 | 7368 |
| 22 | 9753 |
| 23 | 12824 |
| 24 | 16937 |
| 25 | 22090 |
| 26 | 28653 |
| 27 | 37248 |
| 28 | 47968 |
| 29 | 61488 |
| 30 | 78887 |
| 31 | 100472 |
| 32 | 127461 |
| 33 | 161702 |
| 34 | 203951 |
| 35 | 256368 |
| 36 | 322090 |
| 37 | 402748 |
| 38 | 502112 |
| 39 | 625464 |
| 40 | 776061 |
[1,2,3,8,13,20,37,56,83,134,196,280,419,592,824, 1176,1618,2202,3040,4096,5471,7368,9753,12824, 16937,22090,28653,37248,47968,61488,78887,100472, 127461,161702,203951,256368,322090,402748,502112, 625464,776061] |