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| n | a(n) |
|---|---|
| 1 | 205 |
| 2 | 485 |
| 3 | 1153 |
| 4 | 2601 |
| 5 | 5425 |
| 6 | 11925 |
| 7 | 27113 |
| 8 | 61725 |
| 9 | 137593 |
| 10 | 307437 |
| 11 | 694273 |
| 12 | 1576625 |
| 13 | 3567829 |
| 14 | 8061981 |
| 15 | 18257849 |
| 16 | 41462221 |
| 17 | 94184277 |
| 18 | 213859241 |
| 19 | 485808309 |
| 20 | 1104769313 |
| 21 | 2514006025 |
| 22 | 5722098441 |
| 23 | 13027345657 |
| 24 | 29673996009 |
| 25 | 67626829493 |
[205,485,1153,2601,5425,11925,27113,61725,137593, 307437,694273,1576625,3567829,8061981,18257849, 41462221,94184277,213859241,485808309,1104769313, 2514006025,5722098441,13027345657,29673996009, 67626829493] |