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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 185 |
| 3 | 1837 |
| 4 | 10404 |
| 5 | 41956 |
| 6 | 134424 |
| 7 | 364816 |
| 8 | 874316 |
| 9 | 1901969 |
| 10 | 3828391 |
| 11 | 7231824 |
| 12 | 12956547 |
| 13 | 22195288 |
| 14 | 36588651 |
| 15 | 58340461 |
| 16 | 90351150 |
| 17 | 136372908 |
| 18 | 201184234 |
| 19 | 290786504 |
| 20 | 412627262 |
| 21 | 575846185 |
| 22 | 791547105 |
| 23 | 1073101792 |
| 24 | 1436479605 |
| 25 | 1900607176 |
| 26 | 2487765101 |
[1,8,185,1837,10404,41956,134424,364816,874316, 1901969,3828391,7231824,12956547,22195288, 36588651,58340461,90351150,136372908,201184234, 290786504,412627262,575846185,791547105, 1073101792,1436479605,1900607176,2487765101] |