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| n | a(n) |
|---|---|
| 1 | 117 |
| 2 | 1046 |
| 3 | 7595 |
| 4 | 46935 |
| 5 | 254725 |
| 6 | 1242042 |
| 7 | 5538026 |
| 8 | 22884715 |
| 9 | 88577443 |
| 10 | 323908967 |
| 11 | 1126962281 |
| 12 | 3752622108 |
| 13 | 12018652575 |
| 14 | 37179997956 |
| 15 | 111500267903 |
| 16 | 325181295220 |
| 17 | 924812060067 |
| 18 | 2571036007642 |
| 19 | 7001871008078 |
| 20 | 18714994291394 |
| 21 | 49177003589853 |
[117,1046,7595,46935,254725,1242042,5538026, 22884715,88577443,323908967,1126962281,3752622108, 12018652575,37179997956,111500267903,325181295220, 924812060067,2571036007642,7001871008078, 18714994291394,49177003589853] |