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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 10 |
| 3 | 31 |
| 4 | 77 |
| 5 | 162 |
| 6 | 303 |
| 7 | 520 |
| 8 | 836 |
| 9 | 1277 |
| 10 | 1872 |
| 11 | 2653 |
| 12 | 3655 |
| 13 | 4916 |
| 14 | 6477 |
| 15 | 8382 |
| 16 | 10678 |
| 17 | 13415 |
| 18 | 16646 |
| 19 | 20427 |
| 20 | 24817 |
| 21 | 29878 |
| 22 | 35675 |
| 23 | 42276 |
| 24 | 49752 |
| 25 | 58177 |
| 26 | 67628 |
| 27 | 78185 |
| 28 | 89931 |
| 29 | 102952 |
| 30 | 117337 |
| 31 | 133178 |
| 32 | 150570 |
| 33 | 169611 |
| 34 | 190402 |
| 35 | 213047 |
| 36 | 237653 |
| 37 | 264330 |
| 38 | 293191 |
| 39 | 324352 |
| 40 | 357932 |
[3,10,31,77,162,303,520,836,1277,1872,2653,3655, 4916,6477,8382,10678,13415,16646,20427,24817, 29878,35675,42276,49752,58177,67628,78185,89931, 102952,117337,133178,150570,169611,190402,213047, 237653,264330,293191,324352,357932] |