| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 9 |
| 4 | 16 |
| 5 | 28 |
| 6 | 47 |
| 7 | 76 |
| 8 | 120 |
| 9 | 185 |
| 10 | 280 |
| 11 | 416 |
| 12 | 608 |
| 13 | 878 |
| 14 | 1252 |
| 15 | 1765 |
| 16 | 2464 |
| 17 | 3408 |
| 18 | 4676 |
| 19 | 6364 |
| 20 | 8600 |
| 21 | 11545 |
| 22 | 15400 |
| 23 | 20424 |
| 24 | 26938 |
| 25 | 35346 |
| 26 | 46152 |
| 27 | 59981 |
| 28 | 77616 |
| 29 | 100016 |
| 30 | 128369 |
| 31 | 164140 |
| 32 | 209120 |
| 33 | 265510 |
| 34 | 335992 |
| 35 | 423840 |
| 36 | 533035 |
| 37 | 668404 |
| 38 | 835804 |
| 39 | 1042308 |
| 40 | 1296448 |
[1,2,4,9,16,28,47,76,120,185,280,416,608,878,1252, 1765,2464,3408,4676,6364,8600,11545,15400,20424, 26938,35346,46152,59981,77616,100016,128369, 164140,209120,265510,335992,423840,533035,668404, 835804,1042308,1296448] |