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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 6 |
| 6 | 12 |
| 7 | 4 |
| 8 | 16 |
| 9 | 44 |
| 10 | 88 |
| 11 | 8 |
| 12 | 40 |
| 13 | 136 |
| 14 | 360 |
| 15 | 720 |
| 16 | 16 |
| 17 | 96 |
| 18 | 384 |
| 19 | 1216 |
| 20 | 3152 |
| 21 | 6304 |
| 22 | 32 |
| 23 | 224 |
| 24 | 1024 |
| 25 | 3712 |
| 26 | 11296 |
| 27 | 28896 |
| 28 | 57792 |
| 29 | 64 |
| 30 | 512 |
| 31 | 2624 |
| 32 | 10624 |
| 33 | 36416 |
| 34 | 108032 |
| 35 | 273856 |
| 36 | 547712 |
| 37 | 128 |
| 38 | 1152 |
| 39 | 6528 |
| 40 | 29056 |
| 41 | 109696 |
| 42 | 362624 |
| 43 | 1056896 |
| 44 | 2661504 |
| 45 | 5323008 |
| 46 | 256 |
| 47 | 2560 |
| 48 | 15872 |
| 49 | 76800 |
| 50 | 314880 |
| 51 | 1135616 |
| 52 | 3659776 |
| 53 | 10528768 |
| 54 | 26380544 |
| 55 | 52761088 |
[1,1,2,2,6,12,4,16,44,88,8,40,136,360,720,16,96, 384,1216,3152,6304,32,224,1024,3712,11296,28896, 57792,64,512,2624,10624,36416,108032,273856, 547712,128,1152,6528,29056,109696,362624,1056896, 2661504,5323008,256,2560,15872,76800,314880, 1135616,3659776,10528768,26380544,52761088] |