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| n | a(n) |
|---|---|
| 1 | 46828 |
| 2 | 128920 |
| 3 | 297316 |
| 4 | 741592 |
| 5 | 1937236 |
| 6 | 5604400 |
| 7 | 14531028 |
| 8 | 38664192 |
| 9 | 103940452 |
| 10 | 281356668 |
| 11 | 753859448 |
| 12 | 2024482660 |
| 13 | 5476009648 |
| 14 | 14709558024 |
| 15 | 39423241044 |
| 16 | 106472032536 |
| 17 | 286341677420 |
| 18 | 770669642520 |
| 19 | 2071810312952 |
| 20 | 5588216314764 |
[46828,128920,297316,741592,1937236,5604400, 14531028,38664192,103940452,281356668,753859448, 2024482660,5476009648,14709558024,39423241044, 106472032536,286341677420,770669642520, 2071810312952,5588216314764] |