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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 22 |
| 3 | 22 |
| 4 | 124 |
| 5 | 164 |
| 6 | 124 |
| 7 | 694 |
| 8 | 1254 |
| 9 | 1254 |
| 10 | 694 |
| 11 | 3892 |
| 12 | 9604 |
| 13 | 13662 |
| 14 | 9604 |
| 15 | 3892 |
| 16 | 21814 |
| 17 | 73542 |
| 18 | 148747 |
| 19 | 148747 |
| 20 | 73542 |
| 21 | 21814 |
| 22 | 122284 |
| 23 | 563180 |
| 24 | 1625738 |
| 25 | 2306566 |
| 26 | 1625738 |
| 27 | 563180 |
| 28 | 122284 |
| 29 | 685462 |
| 30 | 4312662 |
| 31 | 17735956 |
| 32 | 35696805 |
| 33 | 35696805 |
| 34 | 17735956 |
[4,22,22,124,164,124,694,1254,1254,694,3892,9604, 13662,9604,3892,21814,73542,148747,148747,73542, 21814,122284,563180,1625738,2306566,1625738, 563180,122284,685462,4312662,17735956,35696805, 35696805,17735956] |