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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 1 |
| 9 | 5 |
| 10 | 8 |
| 11 | 22 |
| 12 | 47 |
| 13 | 101 |
| 14 | 229 |
| 15 | 473 |
| 16 | 1044 |
| 17 | 2171 |
| 18 | 4634 |
| 19 | 9796 |
| 20 | 20513 |
| 21 | 43020 |
| 22 | 89684 |
| 23 | 187361 |
| 24 | 388633 |
| 25 | 807508 |
| 26 | 1671160 |
| 27 | 3455934 |
| 28 | 7135226 |
| 29 | 14708436 |
| 30 | 30286472 |
| 31 | 62280024 |
| 32 | 127944070 |
| 33 | 262543635 |
| 34 | 538266791 |
| 35 | 1102507513 |
| 36 | 2256357137 |
[0,0,0,0,0,0,0,1,1,5,8,22,47,101,229,473,1044, 2171,4634,9796,20513,43020,89684,187361,388633, 807508,1671160,3455934,7135226,14708436,30286472, 62280024,127944070,262543635,538266791,1102507513, 2256357137] |