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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 18 |
| 3 | 44 |
| 4 | 88 |
| 5 | 138 |
| 6 | 212 |
| 7 | 296 |
| 8 | 406 |
| 9 | 524 |
| 10 | 674 |
| 11 | 814 |
| 12 | 1024 |
| 13 | 1194 |
| 14 | 1416 |
| 15 | 1662 |
| 16 | 1946 |
| 17 | 2180 |
| 18 | 2526 |
| 19 | 2794 |
| 20 | 3176 |
| 21 | 3552 |
| 22 | 3938 |
| 23 | 4278 |
| 24 | 4808 |
| 25 | 5232 |
| 26 | 5706 |
| 27 | 6204 |
| 28 | 6776 |
| 29 | 7206 |
| 30 | 7936 |
| 31 | 8416 |
| 32 | 9072 |
| 33 | 9708 |
| 34 | 10342 |
| 35 | 11032 |
| 36 | 11950 |
| 37 | 12532 |
| 38 | 13246 |
| 39 | 14026 |
| 40 | 15010 |
| 41 | 15664 |
| 42 | 16718 |
| 43 | 17418 |
| 44 | 18402 |
| 45 | 19470 |
[4,18,44,88,138,212,296,406,524,674,814,1024,1194, 1416,1662,1946,2180,2526,2794,3176,3552,3938,4278, 4808,5232,5706,6204,6776,7206,7936,8416,9072,9708, 10342,11032,11950,12532,13246,14026,15010,15664, 16718,17418,18402,19470] |