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| n | a(n) |
|---|---|
| 1 | 1116 |
| 2 | 2794 |
| 3 | 6878 |
| 4 | 18209 |
| 5 | 47576 |
| 6 | 127549 |
| 7 | 336302 |
| 8 | 903901 |
| 9 | 2402228 |
| 10 | 6409084 |
| 11 | 17062892 |
| 12 | 45475225 |
| 13 | 121085556 |
| 14 | 322576455 |
| 15 | 859264712 |
| 16 | 2288630270 |
| 17 | 6095305826 |
| 18 | 16236483672 |
| 19 | 43246325168 |
| 20 | 115187673101 |
| 21 | 306802389494 |
| 22 | 817180484269 |
[1116,2794,6878,18209,47576,127549,336302,903901, 2402228,6409084,17062892,45475225,121085556, 322576455,859264712,2288630270,6095305826, 16236483672,43246325168,115187673101,306802389494, 817180484269] |