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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 7 |
| 3 | 15 |
| 4 | 30 |
| 5 | 54 |
| 6 | 94 |
| 7 | 159 |
| 8 | 265 |
| 9 | 437 |
| 10 | 716 |
| 11 | 1168 |
| 12 | 1900 |
| 13 | 3085 |
| 14 | 5003 |
| 15 | 8107 |
| 16 | 13130 |
| 17 | 21258 |
| 18 | 34410 |
| 19 | 55691 |
| 20 | 90125 |
| 21 | 145841 |
| 22 | 235992 |
| 23 | 381860 |
| 24 | 617880 |
| 25 | 999769 |
| 26 | 1617679 |
| 27 | 2617479 |
| 28 | 4235190 |
| 29 | 6852702 |
| 30 | 11087926 |
| 31 | 17940663 |
| 32 | 29028625 |
| 33 | 46969325 |
| 34 | 75997988 |
| 35 | 122967352 |
| 36 | 198965380 |
[0,1,7,15,30,54,94,159,265,437,716,1168,1900,3085, 5003,8107,13130,21258,34410,55691,90125,145841, 235992,381860,617880,999769,1617679,2617479, 4235190,6852702,11087926,17940663,29028625, 46969325,75997988,122967352,198965380] |