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| n | a(n) |
|---|---|
| 1 | 2162 |
| 2 | 7144 |
| 3 | 33635 |
| 4 | 80820 |
| 5 | 474384 |
| 6 | 2464176 |
| 7 | 5882014 |
| 8 | 35442488 |
| 9 | 192831680 |
| 10 | 452243221 |
| 11 | 2794490907 |
| 12 | 15799881103 |
| 13 | 36529660074 |
| 14 | 230231519250 |
| 15 | 1340006010540 |
| 16 | 3065481912634 |
| 17 | 19603327646392 |
| 18 | 116462461825208 |
| 19 | 264466171501177 |
[2162,7144,33635,80820,474384,2464176,5882014, 35442488,192831680,452243221,2794490907, 15799881103,36529660074,230231519250, 1340006010540,3065481912634,19603327646392, 116462461825208,264466171501177] |