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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 21 |
| 4 | 68 |
| 5 | 142 |
| 6 | 355 |
| 7 | 589 |
| 8 | 1250 |
| 9 | 1946 |
| 10 | 3372 |
| 11 | 4591 |
| 12 | 8432 |
| 13 | 10054 |
| 14 | 16027 |
| 15 | 21564 |
| 16 | 31228 |
| 17 | 35957 |
| 18 | 56543 |
| 19 | 61282 |
| 20 | 92952 |
| 21 | 107265 |
| 22 | 139286 |
| 23 | 154287 |
| 24 | 234348 |
| 25 | 238495 |
| 26 | 313496 |
| 27 | 362400 |
| 28 | 469556 |
| 29 | 476974 |
| 30 | 690961 |
| 31 | 660676 |
| 32 | 896194 |
| 33 | 964301 |
| 34 | 1162662 |
| 35 | 1252820 |
[1,6,21,68,142,355,589,1250,1946,3372,4591,8432, 10054,16027,21564,31228,35957,56543,61282,92952, 107265,139286,154287,234348,238495,313496,362400, 469556,476974,690961,660676,896194,964301,1162662, 1252820] |