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| n | a(n) |
|---|---|
| 1 | 576 |
| 2 | 1156 |
| 3 | 1936 |
| 4 | 4096 |
| 5 | 9216 |
| 6 | 17424 |
| 7 | 30976 |
| 8 | 66564 |
| 9 | 141376 |
| 10 | 264196 |
| 11 | 501264 |
| 12 | 1069156 |
| 13 | 2166784 |
| 14 | 4080400 |
| 15 | 8065600 |
| 16 | 16892100 |
| 17 | 33362176 |
| 18 | 63936016 |
| 19 | 128867904 |
| 20 | 264387600 |
| 21 | 516925696 |
| 22 | 1008570564 |
| 23 | 2044124944 |
| 24 | 4123951524 |
| 25 | 8059730176 |
| 26 | 15937042564 |
[576,1156,1936,4096,9216,17424,30976,66564,141376, 264196,501264,1069156,2166784,4080400,8065600, 16892100,33362176,63936016,128867904,264387600, 516925696,1008570564,2044124944,4123951524, 8059730176,15937042564] |