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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 20 |
| 4 | 90 |
| 5 | 128 |
| 6 | 272 |
| 7 | 468 |
| 8 | 650 |
| 9 | 1280 |
| 10 | 1332 |
| 11 | 1458 |
| 12 | 2450 |
| 13 | 2900 |
| 14 | 3600 |
| 15 | 4160 |
| 16 | 5760 |
| 17 | 6642 |
| 18 | 7650 |
| 19 | 8192 |
| 20 | 10100 |
| 21 | 10388 |
| 22 | 14580 |
| 23 | 14762 |
| 24 | 16400 |
| 25 | 17408 |
| 26 | 20880 |
| 27 | 25578 |
| 28 | 27540 |
| 29 | 28730 |
| 30 | 29952 |
| 31 | 31250 |
| 32 | 38612 |
| 33 | 41600 |
| 34 | 42048 |
| 35 | 50850 |
| 36 | 50960 |
| 37 | 54900 |
| 38 | 60500 |
| 39 | 65610 |
[0,2,20,90,128,272,468,650,1280,1332,1458,2450, 2900,3600,4160,5760,6642,7650,8192,10100,10388, 14580,14762,16400,17408,20880,25578,27540,28730, 29952,31250,38612,41600,42048,50850,50960,54900, 60500,65610] |