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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 1 |
| 4 | 7 |
| 5 | 4 |
| 6 | 5 |
| 7 | 10 |
| 8 | 7 |
| 9 | 20 |
| 10 | 16 |
| 11 | 13 |
| 12 | 10 |
| 13 | 35 |
| 14 | 64 |
| 15 | 53 |
| 16 | 16 |
| 17 | 13 |
| 18 | 50 |
| 19 | 112 |
| 20 | 212 |
| 21 | 175 |
| 22 | 19 |
| 23 | 16 |
| 24 | 65 |
| 25 | 160 |
| 26 | 371 |
| 27 | 700 |
| 28 | 578 |
| 29 | 22 |
| 30 | 19 |
| 31 | 80 |
| 32 | 208 |
| 33 | 530 |
| 34 | 1225 |
| 35 | 2312 |
| 36 | 1909 |
| 37 | 25 |
| 38 | 28 |
| 39 | 95 |
| 40 | 256 |
| 41 | 689 |
| 42 | 1750 |
| 43 | 4046 |
| 44 | 7636 |
| 45 | 6305 |
| 46 | 28 |
| 47 | 25 |
| 48 | 110 |
| 49 | 304 |
| 50 | 848 |
| 51 | 2275 |
| 52 | 5780 |
| 53 | 23363 |
| 54 | 25220 |
| 55 | 20824 |
[1,4,1,7,4,5,10,7,20,16,13,10,35,64,53,16,13,50, 112,212,175,19,16,65,160,371,700,578,22,19,80,208, 530,1225,2312,1909,25,28,95,256,689,1750,4046, 7636,6305,28,25,110,304,848,2275,5780,23363,25220, 20824] |