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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 4 |
| 2 | 10 |
| 3 | 18 |
| 4 | 28 |
| 5 | 40 |
| 6 | 54 |
| 7 | 70 |
| 8 | 88 |
| 9 | 108 |
| 10 | 130 |
| 11 | 154 |
| 12 | 180 |
| 13 | 208 |
| 14 | 238 |
| 15 | 270 |
| 16 | 304 |
| 17 | 340 |
| 18 | 378 |
| 19 | 418 |
| 20 | 460 |
| 21 | 504 |
| 22 | 550 |
| 23 | 598 |
| 24 | 648 |
| 25 | 700 |
| 26 | 754 |
| 27 | 810 |
| 28 | 868 |
| 29 | 928 |
| 30 | 990 |
| 31 | 1054 |
| 32 | 1120 |
| 33 | 1188 |
| 34 | 1258 |
| 35 | 1330 |
| 36 | 1404 |
| 37 | 1480 |
| 38 | 1558 |
| 39 | 1638 |
| 40 | 1720 |
| 41 | 1804 |
| 42 | 1890 |
| 43 | 1978 |
| 44 | 2068 |
| 45 | 2160 |
| 46 | 2254 |
| 47 | 2350 |
| 48 | 2448 |
| 49 | 2548 |
| 50 | 2650 |
[0,4,10,18,28,40,54,70,88,108,130,154,180,208,238, 270,304,340,378,418,460,504,550,598,648,700,754, 810,868,928,990,1054,1120,1188,1258,1330,1404, 1480,1558,1638,1720,1804,1890,1978,2068,2160,2254, 2350,2448,2548,2650] |