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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 30 |
| 6 | 58 |
| 7 | 112 |
| 8 | 217 |
| 9 | 420 |
| 10 | 815 |
| 11 | 1579 |
| 12 | 3063 |
| 13 | 5942 |
| 14 | 11537 |
| 15 | 22411 |
| 16 | 43567 |
| 17 | 84738 |
| 18 | 164915 |
| 19 | 321119 |
| 20 | 625622 |
| 21 | 1219515 |
| 22 | 2378471 |
| 23 | 4641279 |
| 24 | 9061618 |
| 25 | 17700947 |
| 26 | 34594484 |
| 27 | 67644483 |
| 28 | 132333479 |
| 29 | 259009089 |
| 30 | 507182875 |
| 31 | 993606722 |
| 32 | 1947425817 |
| 33 | 3818561202 |
[1,2,4,8,16,30,58,112,217,420,815,1579,3063,5942, 11537,22411,43567,84738,164915,321119,625622, 1219515,2378471,4641279,9061618,17700947,34594484, 67644483,132333479,259009089,507182875,993606722, 1947425817,3818561202] |