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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 6 |
| 6 | 7 |
| 7 | 9 |
| 8 | 13 |
| 9 | 20 |
| 10 | 31 |
| 11 | 47 |
| 12 | 69 |
| 13 | 98 |
| 14 | 136 |
| 15 | 187 |
| 16 | 258 |
| 17 | 360 |
| 18 | 509 |
| 19 | 727 |
| 20 | 1043 |
| 21 | 1495 |
| 22 | 2134 |
| 23 | 3031 |
| 24 | 4288 |
| 25 | 6054 |
| 26 | 8547 |
| 27 | 12083 |
| 28 | 17114 |
| 29 | 24279 |
| 30 | 34475 |
| 31 | 48959 |
| 32 | 69497 |
| 33 | 98582 |
| 34 | 139750 |
| 35 | 198032 |
| 36 | 280593 |
| 37 | 397629 |
| 38 | 563624 |
| 39 | 799116 |
| 40 | 1133190 |
| 41 | 1607014 |
| 42 | 2278870 |
| 43 | 3231319 |
| 44 | 4581397 |
[1,2,3,4,5,6,7,9,13,20,31,47,69,98,136,187,258, 360,509,727,1043,1495,2134,3031,4288,6054,8547, 12083,17114,24279,34475,48959,69497,98582,139750, 198032,280593,397629,563624,799116,1133190, 1607014,2278870,3231319,4581397] |