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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 8 |
| 5 | 23 |
| 6 | 44 |
| 7 | 107 |
| 8 | 190 |
| 9 | 406 |
| 10 | 722 |
| 11 | 1394 |
| 12 | 2383 |
| 13 | 4434 |
| 14 | 7342 |
| 15 | 12901 |
| 16 | 21162 |
| 17 | 35754 |
| 18 | 57286 |
| 19 | 94294 |
| 20 | 147980 |
| 21 | 237716 |
| 22 | 368255 |
| 23 | 577038 |
| 24 | 880400 |
| 25 | 1358074 |
| 26 | 2043017 |
| 27 | 3097194 |
| 28 | 4607048 |
| 29 | 6882358 |
| 30 | 10121400 |
| 31 | 14937754 |
| 32 | 21726770 |
| 33 | 31695300 |
| 34 | 45685964 |
| 35 | 65909693 |
| 36 | 94165650 |
[1,1,4,8,23,44,107,190,406,722,1394,2383,4434, 7342,12901,21162,35754,57286,94294,147980,237716, 368255,577038,880400,1358074,2043017,3097194, 4607048,6882358,10121400,14937754,21726770, 31695300,45685964,65909693,94165650] |