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| n | a(n) |
|---|---|
| 1 | 413 |
| 2 | 2812 |
| 3 | 16208 |
| 4 | 87529 |
| 5 | 442409 |
| 6 | 2130148 |
| 7 | 9865706 |
| 8 | 44282475 |
| 9 | 193738371 |
| 10 | 829672404 |
| 11 | 3489686970 |
| 12 | 14454185655 |
| 13 | 59084278573 |
| 14 | 238768911154 |
| 15 | 955319655916 |
| 16 | 3788887514683 |
| 17 | 14911360133421 |
| 18 | 58283593894282 |
| 19 | 226427164514046 |
[413,2812,16208,87529,442409,2130148,9865706, 44282475,193738371,829672404,3489686970, 14454185655,59084278573,238768911154,955319655916, 3788887514683,14911360133421,58283593894282, 226427164514046] |