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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 5 |
| 8 | 14 |
| 9 | 32 |
| 10 | 66 |
| 11 | 127 |
| 12 | 231 |
| 13 | 405 |
| 14 | 682 |
| 15 | 1118 |
| 16 | 1771 |
| 17 | 2747 |
| 18 | 4133 |
| 19 | 6104 |
| 20 | 8771 |
| 21 | 12389 |
| 22 | 17060 |
| 23 | 23101 |
| 24 | 30527 |
| 25 | 39650 |
| 26 | 50279 |
| 27 | 62624 |
| 28 | 76150 |
| 29 | 90879 |
| 30 | 105859 |
| 31 | 120914 |
| 32 | 134719 |
| 33 | 147040 |
| 34 | 156412 |
| 35 | 162812 |
| 36 | 164968 |
| 37 | 163377 |
| 38 | 157278 |
| 39 | 147816 |
[0,0,0,0,0,0,1,5,14,32,66,127,231,405,682,1118, 1771,2747,4133,6104,8771,12389,17060,23101,30527, 39650,50279,62624,76150,90879,105859,120914, 134719,147040,156412,162812,164968,163377,157278, 147816] |