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| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 1 |
| 2 | 6 |
| 3 | 78 |
| 4 | 102 |
| 5 | 130 |
| 6 | 66 |
| 7 | 30 |
| 8 | 510 |
| 9 | 1218 |
| 10 | 4002 |
| 11 | 4578 |
| 12 | 390 |
| 13 | 14326 |
| 14 | 14430 |
| 15 | 858 |
| 16 | 690 |
| 17 | 330 |
| 18 | 1722 |
| 19 | 5106 |
| 20 | 11310 |
| 21 | 1110 |
| 22 | 13090 |
| 23 | 3666 |
| 24 | 46662 |
| 25 | 10230 |
| 26 | 44574 |
| 27 | 210 |
| 28 | 9570 |
| 29 | 4290 |
| 30 | 32010 |
| 31 | 29946 |
| 32 | 30498 |
| 33 | 13398 |
| 34 | 9282 |
| 35 | 15810 |
| 36 | 11730 |
| 37 | 25194 |
| 38 | 12090 |
| 39 | 36890 |
| 40 | 103730 |
| 41 | 194370 |
| 42 | 239190 |
| 43 | 86430 |
| 44 | 79230 |
| 45 | 6006 |
| 46 | 359310 |
| 47 | 85470 |
| 48 | 2730 |
| 49 | 211470 |
[4,1,6,78,102,130,66,30,510,1218,4002,4578,390, 14326,14430,858,690,330,1722,5106,11310,1110, 13090,3666,46662,10230,44574,210,9570,4290,32010, 29946,30498,13398,9282,15810,11730,25194,12090, 36890,103730,194370,239190,86430,79230,6006, 359310,85470,2730,211470] |