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| n | a(n) |
|---|---|
| 1 | 50 |
| 2 | 77 |
| 3 | 133 |
| 4 | 233 |
| 5 | 409 |
| 6 | 743 |
| 7 | 1361 |
| 8 | 2469 |
| 9 | 4485 |
| 10 | 8183 |
| 11 | 14901 |
| 12 | 27091 |
| 13 | 49293 |
| 14 | 89729 |
| 15 | 163277 |
| 16 | 297055 |
| 17 | 540549 |
| 18 | 983737 |
| 19 | 1790089 |
| 20 | 3257319 |
| 21 | 5927571 |
| 22 | 10786801 |
| 23 | 19628869 |
| 24 | 35719195 |
| 25 | 65000021 |
| 26 | 118283183 |
| 27 | 215243755 |
| 28 | 391687275 |
| 29 | 712769639 |
| 30 | 1297054417 |
[50,77,133,233,409,743,1361,2469,4485,8183,14901, 27091,49293,89729,163277,297055,540549,983737, 1790089,3257319,5927571,10786801,19628869, 35719195,65000021,118283183,215243755,391687275, 712769639,1297054417] |