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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 11 |
| 8 | 16 |
| 9 | 19 |
| 10 | 30 |
| 11 | 41 |
| 12 | 54 |
| 13 | 69 |
| 14 | 106 |
| 15 | 177 |
| 16 | 272 |
| 17 | 397 |
| 18 | 686 |
| 19 | 1299 |
| 20 | 2416 |
| 21 | 4225 |
| 22 | 7196 |
| 23 | 11701 |
| 24 | 20352 |
| 25 | 36305 |
| 26 | 70134 |
| 27 | 132721 |
| 28 | 248722 |
| 29 | 473391 |
| 30 | 894318 |
| 31 | 1674923 |
| 32 | 3054022 |
| 33 | 5452067 |
| 34 | 9626552 |
| 35 | 16696543 |
| 36 | 29086462 |
| 37 | 51830095 |
| 38 | 96887612 |
| 39 | 192393735 |
| 40 | 397875694 |
[1,2,3,4,5,6,11,16,19,30,41,54,69,106,177,272,397, 686,1299,2416,4225,7196,11701,20352,36305,70134, 132721,248722,473391,894318,1674923,3054022, 5452067,9626552,16696543,29086462,51830095, 96887612,192393735,397875694] |