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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 3 |
| 4 | 8 |
| 5 | 9 |
| 6 | 8 |
| 7 | 21 |
| 8 | 24 |
| 9 | 24 |
| 10 | 21 |
| 11 | 55 |
| 12 | 63 |
| 13 | 64 |
| 14 | 63 |
| 15 | 55 |
| 16 | 144 |
| 17 | 165 |
| 18 | 168 |
| 19 | 168 |
| 20 | 165 |
| 21 | 144 |
| 22 | 377 |
| 23 | 432 |
| 24 | 440 |
| 25 | 441 |
| 26 | 440 |
| 27 | 432 |
| 28 | 377 |
| 29 | 987 |
| 30 | 1131 |
| 31 | 1152 |
| 32 | 1155 |
| 33 | 1155 |
| 34 | 1152 |
| 35 | 1131 |
| 36 | 987 |
| 37 | 2584 |
| 38 | 2961 |
| 39 | 3016 |
| 40 | 3024 |
| 41 | 3025 |
| 42 | 3024 |
| 43 | 3016 |
| 44 | 2961 |
| 45 | 2584 |
| 46 | 6765 |
| 47 | 7752 |
| 48 | 7896 |
| 49 | 7917 |
| 50 | 7920 |
| 51 | 7920 |
| 52 | 7917 |
| 53 | 7896 |
| 54 | 7752 |
| 55 | 6765 |
[1,3,3,8,9,8,21,24,24,21,55,63,64,63,55,144,165, 168,168,165,144,377,432,440,441,440,432,377,987, 1131,1152,1155,1155,1152,1131,987,2584,2961,3016, 3024,3025,3024,3016,2961,2584,6765,7752,7896,7917, 7920,7920,7917,7896,7752,6765] |