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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 4 |
| 3 | 8 |
| 4 | 14 |
| 5 | 22 |
| 6 | 31 |
| 7 | 42 |
| 8 | 54 |
| 9 | 68 |
| 10 | 84 |
| 11 | 101 |
| 12 | 120 |
| 13 | 141 |
| 14 | 163 |
| 15 | 187 |
| 16 | 212 |
| 17 | 239 |
| 18 | 268 |
| 19 | 298 |
| 20 | 330 |
| 21 | 363 |
| 22 | 398 |
| 23 | 435 |
| 24 | 473 |
| 25 | 513 |
| 26 | 555 |
| 27 | 598 |
| 28 | 643 |
| 29 | 689 |
| 30 | 737 |
| 31 | 787 |
| 32 | 838 |
| 33 | 891 |
| 34 | 946 |
| 35 | 1002 |
| 36 | 1060 |
| 37 | 1119 |
| 38 | 1180 |
| 39 | 1243 |
| 40 | 1307 |
| 41 | 1373 |
| 42 | 1440 |
| 43 | 1509 |
| 44 | 1580 |
| 45 | 1652 |
| 46 | 1726 |
| 47 | 1802 |
| 48 | 1879 |
[0,1,4,8,14,22,31,42,54,68,84,101,120,141,163,187, 212,239,268,298,330,363,398,435,473,513,555,598, 643,689,737,787,838,891,946,1002,1060,1119,1180, 1243,1307,1373,1440,1509,1580,1652,1726,1802,1879] |