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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 28 |
| 2 | 106 |
| 3 | 236 |
| 4 | 418 |
| 5 | 652 |
| 6 | 938 |
| 7 | 1276 |
| 8 | 1666 |
| 9 | 2108 |
| 10 | 2602 |
| 11 | 3148 |
| 12 | 3746 |
| 13 | 4396 |
| 14 | 5098 |
| 15 | 5852 |
| 16 | 6658 |
| 17 | 7516 |
| 18 | 8426 |
| 19 | 9388 |
| 20 | 10402 |
| 21 | 11468 |
| 22 | 12586 |
| 23 | 13756 |
| 24 | 14978 |
| 25 | 16252 |
| 26 | 17578 |
| 27 | 18956 |
| 28 | 20386 |
| 29 | 21868 |
| 30 | 23402 |
| 31 | 24988 |
| 32 | 26626 |
| 33 | 28316 |
| 34 | 30058 |
| 35 | 31852 |
| 36 | 33698 |
| 37 | 35596 |
| 38 | 37546 |
| 39 | 39548 |
| 40 | 41602 |
[1,28,106,236,418,652,938,1276,1666,2108,2602, 3148,3746,4396,5098,5852,6658,7516,8426,9388, 10402,11468,12586,13756,14978,16252,17578,18956, 20386,21868,23402,24988,26626,28316,30058,31852, 33698,35596,37546,39548,41602] |