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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 4 |
| 4 | 22 |
| 5 | 24 |
| 6 | 96 |
| 7 | 168 |
| 8 | 388 |
| 9 | 490 |
| 10 | 1024 |
| 11 | 1168 |
| 12 | 2138 |
| 13 | 3000 |
| 14 | 4554 |
| 15 | 5084 |
| 16 | 7872 |
| 17 | 8570 |
| 18 | 12358 |
| 19 | 15532 |
| 20 | 20538 |
| 21 | 22120 |
| 22 | 30338 |
| 23 | 35972 |
| 24 | 45928 |
| 25 | 54068 |
| 26 | 66830 |
| 27 | 71348 |
| 28 | 90658 |
| 29 | 95374 |
| 30 | 115162 |
| 31 | 132074 |
| 32 | 156726 |
| 33 | 177542 |
| 34 | 212556 |
| 35 | 221796 |
| 36 | 258292 |
| 37 | 289706 |
| 38 | 334554 |
| 39 | 349466 |
[0,2,4,22,24,96,168,388,490,1024,1168,2138,3000, 4554,5084,7872,8570,12358,15532,20538,22120,30338, 35972,45928,54068,66830,71348,90658,95374,115162, 132074,156726,177542,212556,221796,258292,289706, 334554,349466] |