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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 6 |
| 4 | 44 |
| 5 | 10 |
| 6 | 612 |
| 7 | 14 |
| 8 | 3936 |
| 9 | 7074 |
| 10 | 22700 |
| 11 | 22 |
| 12 | 339792 |
| 13 | 26 |
| 14 | 624652 |
| 15 | 2732760 |
| 16 | 6401232 |
| 17 | 34 |
| 18 | 45174204 |
| 19 | 38 |
| 20 | 220441080 |
| 21 | 309304842 |
| 22 | 325909628 |
| 23 | 46 |
| 24 | 7330314960 |
| 25 | 2822796950 |
| 26 | 6760390052 |
| 27 | 27417926304 |
| 28 | 78814587656 |
| 29 | 58 |
| 30 | 548150764560 |
| 31 | 62 |
| 32 | 1352747882944 |
| 33 | 2111872688706 |
[1,4,6,44,10,612,14,3936,7074,22700,22,339792,26, 624652,2732760,6401232,34,45174204,38,220441080, 309304842,325909628,46,7330314960,2822796950, 6760390052,27417926304,78814587656,58, 548150764560,62,1352747882944,2111872688706] |