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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 10 |
| 3 | 18 |
| 4 | 30 |
| 5 | 44 |
| 6 | 60 |
| 7 | 80 |
| 8 | 106 |
| 9 | 135 |
| 10 | 168 |
| 11 | 207 |
| 12 | 248 |
| 13 | 286 |
| 14 | 330 |
| 15 | 382 |
| 16 | 436 |
| 17 | 489 |
| 18 | 548 |
| 19 | 612 |
| 20 | 676 |
| 21 | 741 |
| 22 | 816 |
| 23 | 896 |
| 24 | 974 |
| 25 | 1055 |
| 26 | 1142 |
| 27 | 1231 |
| 28 | 1324 |
| 29 | 1420 |
| 30 | 1522 |
| 31 | 1626 |
| 32 | 1730 |
| 33 | 1837 |
| 34 | 1948 |
| 35 | 2064 |
| 36 | 2188 |
| 37 | 2313 |
| 38 | 2440 |
| 39 | 2572 |
| 40 | 2704 |
| 41 | 2835 |
| 42 | 2974 |
| 43 | 3121 |
| 44 | 3272 |
| 45 | 3420 |
| 46 | 3572 |
| 47 | 3730 |
| 48 | 3886 |
[1,4,10,18,30,44,60,80,106,135,168,207,248,286, 330,382,436,489,548,612,676,741,816,896,974,1055, 1142,1231,1324,1420,1522,1626,1730,1837,1948,2064, 2188,2313,2440,2572,2704,2835,2974,3121,3272,3420, 3572,3730,3886] |