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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 15 |
| 3 | 37 |
| 4 | 77 |
| 5 | 138 |
| 6 | 223 |
| 7 | 338 |
| 8 | 489 |
| 9 | 679 |
| 10 | 911 |
| 11 | 1191 |
| 12 | 1525 |
| 13 | 1916 |
| 14 | 2367 |
| 15 | 2884 |
| 16 | 3473 |
| 17 | 4137 |
| 18 | 4879 |
| 19 | 5705 |
| 20 | 6621 |
| 21 | 7630 |
| 22 | 8735 |
| 23 | 9942 |
| 24 | 11257 |
| 25 | 12683 |
| 26 | 14223 |
| 27 | 15883 |
| 28 | 17669 |
| 29 | 19584 |
| 30 | 21631 |
| 31 | 23816 |
| 32 | 26145 |
| 33 | 28621 |
| 34 | 31247 |
| 35 | 34029 |
| 36 | 36973 |
| 37 | 40082 |
| 38 | 43359 |
| 39 | 46810 |
[1,5,15,37,77,138,223,338,489,679,911,1191,1525, 1916,2367,2884,3473,4137,4879,5705,6621,7630,8735, 9942,11257,12683,14223,15883,17669,19584,21631, 23816,26145,28621,31247,34029,36973,40082,43359, 46810] |