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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 10 |
| 4 | 20 |
| 5 | 36 |
| 6 | 65 |
| 7 | 110 |
| 8 | 185 |
| 9 | 300 |
| 10 | 480 |
| 11 | 749 |
| 12 | 1157 |
| 13 | 1752 |
| 14 | 2627 |
| 15 | 3882 |
| 16 | 5683 |
| 17 | 8221 |
| 18 | 11796 |
| 19 | 16756 |
| 20 | 23627 |
| 21 | 33036 |
| 22 | 45881 |
| 23 | 63257 |
| 24 | 86689 |
| 25 | 118036 |
| 26 | 159837 |
| 27 | 215211 |
| 28 | 288314 |
| 29 | 384275 |
| 30 | 509829 |
| 31 | 673270 |
| 32 | 885361 |
| 33 | 1159357 |
| 34 | 1512235 |
| 35 | 1964897 |
| 36 | 2543864 |
| 37 | 3281686 |
[1,2,5,10,20,36,65,110,185,300,480,749,1157,1752, 2627,3882,5683,8221,11796,16756,23627,33036,45881, 63257,86689,118036,159837,215211,288314,384275, 509829,673270,885361,1159357,1512235,1964897, 2543864,3281686] |