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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 8 |
| 4 | 11 |
| 5 | 25 |
| 6 | 37 |
| 7 | 97 |
| 8 | 142 |
| 9 | 316 |
| 10 | 463 |
| 11 | 1150 |
| 12 | 1747 |
| 13 | 4298 |
| 14 | 6599 |
| 15 | 16641 |
| 16 | 25800 |
| 17 | 65025 |
| 18 | 101027 |
| 19 | 256245 |
| 20 | 399972 |
| 21 | 1017939 |
| 22 | 1589375 |
| 23 | 4048559 |
| 24 | 6328766 |
| 25 | 16148228 |
| 26 | 25252615 |
| 27 | 53243252 |
[1,2,3,8,11,25,37,97,142,316,463,1150,1747,4298, 6599,16641,25800,65025,101027,256245,399972, 1017939,1589375,4048559,6328766,16148228,25252615, 53243252] |