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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 13 |
| 7 | 27 |
| 8 | 54 |
| 9 | 111 |
| 10 | 225 |
| 11 | 456 |
| 12 | 926 |
| 13 | 1877 |
| 14 | 3796 |
| 15 | 7671 |
| 16 | 15483 |
| 17 | 31212 |
| 18 | 62859 |
| 19 | 126484 |
| 20 | 254296 |
| 21 | 510892 |
| 22 | 1025765 |
| 23 | 2058395 |
| 24 | 4128578 |
| 25 | 8277344 |
| 26 | 16589180 |
| 27 | 33237163 |
| 28 | 66574351 |
| 29 | 133318484 |
| 30 | 266924608 |
| 31 | 534335692 |
| 32 | 1069492787 |
| 33 | 2140370294 |
| 34 | 4283071475 |
| 35 | 8570061106 |
[1,1,2,3,7,13,27,54,111,225,456,926,1877,3796, 7671,15483,31212,62859,126484,254296,510892, 1025765,2058395,4128578,8277344,16589180,33237163, 66574351,133318484,266924608,534335692,1069492787, 2140370294,4283071475,8570061106] |