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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 12 |
| 3 | 23 |
| 4 | 40 |
| 5 | 68 |
| 6 | 113 |
| 7 | 186 |
| 8 | 304 |
| 9 | 495 |
| 10 | 804 |
| 11 | 1304 |
| 12 | 2113 |
| 13 | 3422 |
| 14 | 5540 |
| 15 | 8967 |
| 16 | 14512 |
| 17 | 23484 |
| 18 | 38001 |
| 19 | 61490 |
| 20 | 99496 |
| 21 | 160991 |
| 22 | 260492 |
| 23 | 421488 |
| 24 | 681985 |
| 25 | 1103478 |
| 26 | 1785468 |
| 27 | 2888951 |
| 28 | 4674424 |
| 29 | 7563380 |
| 30 | 12237809 |
| 31 | 19801194 |
| 32 | 32039008 |
| 33 | 51840207 |
| 34 | 83879220 |
| 35 | 135719432 |
[1,6,12,23,40,68,113,186,304,495,804,1304,2113, 3422,5540,8967,14512,23484,38001,61490,99496, 160991,260492,421488,681985,1103478,1785468, 2888951,4674424,7563380,12237809,19801194, 32039008,51840207,83879220,135719432] |