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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 24 |
| 2 | 12 |
| 3 | 6 |
| 4 | 3 |
| 5 | 70 |
| 6 | 35 |
| 7 | 806 |
| 8 | 403 |
| 9 | 9270 |
| 10 | 4635 |
| 11 | 106606 |
| 12 | 53303 |
| 13 | 1225970 |
| 14 | 612985 |
| 15 | 14098656 |
| 16 | 7049328 |
| 17 | 3524664 |
| 18 | 1762332 |
| 19 | 881166 |
| 20 | 440583 |
| 21 | 10133410 |
| 22 | 5066705 |
| 23 | 116534216 |
| 24 | 58267108 |
| 25 | 29133554 |
| 26 | 14566777 |
[1,24,12,6,3,70,35,806,403,9270,4635,106606,53303, 1225970,612985,14098656,7049328,3524664,1762332, 881166,440583,10133410,5066705,116534216,58267108, 29133554,14566777] |