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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 13 |
| 3 | 114 |
| 4 | 498 |
| 5 | 2266 |
| 6 | 9146 |
| 7 | 34529 |
| 8 | 123778 |
| 9 | 426832 |
| 10 | 1420589 |
| 11 | 4571166 |
| 12 | 14240419 |
| 13 | 43032598 |
| 14 | 126404575 |
| 15 | 361626231 |
| 16 | 1009254323 |
| 17 | 2751621249 |
| 18 | 7337716297 |
| 19 | 19160926188 |
| 20 | 49048774496 |
| 21 | 123209253195 |
| 22 | 304005916411 |
| 23 | 737455279792 |
[10,13,114,498,2266,9146,34529,123778,426832, 1420589,4571166,14240419,43032598,126404575, 361626231,1009254323,2751621249,7337716297, 19160926188,49048774496,123209253195,304005916411, 737455279792] |