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| n | a(n) |
|---|---|
| 2 | 3 |
| 3 | 5 |
| 4 | 8 |
| 5 | 36 |
| 6 | 180 |
| 7 | 364 |
| 8 | 259 |
| 9 | 182 |
| 10 | 132 |
| 11 | 385 |
| 12 | 285 |
| 13 | 10680 |
| 14 | 145376 |
| 15 | 219877 |
| 16 | 168165 |
| 17 | 64640 |
| 18 | 100192 |
| 19 | 545400 |
| 20 | 8122824 |
| 21 | 6384210 |
| 22 | 843458070 |
| 23 | 84042274932 |
| 24 | 15962119184 |
| 25 | 23871960702156 |
| 26 | 5511685192650 |
| 27 | 38598284741704380 |
| 28 | 1055992783247033184 |
| 29 | 50820437468424030120 |
[3,5,8,36,180,364,259,182,132,385,285,10680, 145376,219877,168165,64640,100192,545400,8122824, 6384210,843458070,84042274932,15962119184, 23871960702156,5511685192650,38598284741704380, 1055992783247033184,50820437468424030120] |