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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 14 |
| 5 | 41 |
| 6 | 116 |
| 7 | 302 |
| 8 | 715 |
| 9 | 1549 |
| 10 | 3106 |
| 11 | 5831 |
| 12 | 10352 |
| 13 | 17525 |
| 14 | 28484 |
| 15 | 44696 |
| 16 | 68021 |
| 17 | 100777 |
| 18 | 145810 |
| 19 | 206569 |
| 20 | 287186 |
| 21 | 392561 |
| 22 | 528452 |
| 23 | 701570 |
| 24 | 919679 |
| 25 | 1191701 |
| 26 | 1527826 |
| 27 | 1939627 |
| 28 | 2440180 |
| 29 | 3044189 |
| 30 | 3768116 |
| 31 | 4630316 |
| 32 | 5651177 |
| 33 | 6853265 |
| 34 | 8261474 |
| 35 | 9903181 |
| 36 | 11808406 |
[1,1,2,5,14,41,116,302,715,1549,3106,5831,10352, 17525,28484,44696,68021,100777,145810,206569, 287186,392561,528452,701570,919679,1191701, 1527826,1939627,2440180,3044189,3768116,4630316, 5651177,6853265,8261474,9903181,11808406] |