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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 5 |
| 4 | 13 |
| 5 | 23 |
| 6 | 41 |
| 7 | 69 |
| 8 | 119 |
| 9 | 185 |
| 10 | 283 |
| 11 | 425 |
| 12 | 625 |
| 13 | 903 |
| 14 | 1285 |
| 15 | 1799 |
| 16 | 2517 |
| 17 | 3450 |
| 18 | 4699 |
| 19 | 6340 |
| 20 | 8490 |
| 21 | 11264 |
| 22 | 14870 |
| 23 | 19485 |
| 24 | 25390 |
| 25 | 32897 |
| 26 | 42395 |
| 27 | 54372 |
| 28 | 69408 |
| 29 | 88210 |
| 30 | 111612 |
| 31 | 140717 |
| 32 | 176738 |
| 33 | 221135 |
| 34 | 275776 |
| 35 | 342790 |
| 36 | 424743 |
| 37 | 524765 |
| 38 | 646420 |
| 39 | 794109 |
| 40 | 972967 |
| 41 | 1189105 |
| 42 | 1449577 |
| 43 | 1763097 |
| 44 | 2139394 |
| 45 | 2590349 |
| 46 | 3129633 |
| 47 | 3773546 |
| 48 | 4540645 |
[0,2,5,13,23,41,69,119,185,283,425,625,903,1285, 1799,2517,3450,4699,6340,8490,11264,14870,19485, 25390,32897,42395,54372,69408,88210,111612,140717, 176738,221135,275776,342790,424743,524765,646420, 794109,972967,1189105,1449577,1763097,2139394, 2590349,3129633,3773546,4540645] |