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| n | a(n) |
|---|---|
| 1 | 32 |
| 2 | 383 |
| 3 | 1225 |
| 4 | 4781 |
| 5 | 21787 |
| 6 | 97745 |
| 7 | 399796 |
| 8 | 1701284 |
| 9 | 7433503 |
| 10 | 32417536 |
| 11 | 140360415 |
| 12 | 609184367 |
| 13 | 2654263514 |
| 14 | 11566795167 |
| 15 | 50371762399 |
| 16 | 219467643962 |
| 17 | 956898961507 |
| 18 | 4173024718286 |
| 19 | 18199035218402 |
| 20 | 79379381620061 |
| 21 | 346287240775232 |
[32,383,1225,4781,21787,97745,399796,1701284, 7433503,32417536,140360415,609184367,2654263514, 11566795167,50371762399,219467643962,956898961507, 4173024718286,18199035218402,79379381620061, 346287240775232] |