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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 18 |
| 3 | 46 |
| 4 | 95 |
| 5 | 172 |
| 6 | 268 |
| 7 | 417 |
| 8 | 597 |
| 9 | 854 |
| 10 | 1110 |
| 11 | 1483 |
| 12 | 1871 |
| 13 | 2384 |
| 14 | 2860 |
| 15 | 3569 |
| 16 | 4261 |
| 17 | 5118 |
| 18 | 5946 |
| 19 | 7075 |
| 20 | 8107 |
| 21 | 9408 |
| 22 | 10632 |
| 23 | 12237 |
| 24 | 13821 |
| 25 | 15610 |
| 26 | 17422 |
| 27 | 19571 |
| 28 | 21703 |
| 29 | 24148 |
| 30 | 26516 |
| 31 | 29377 |
| 32 | 32061 |
| 33 | 35182 |
| 34 | 38282 |
| 35 | 41743 |
| 36 | 45287 |
| 37 | 49072 |
| 38 | 52920 |
| 39 | 57261 |
| 40 | 61545 |
| 41 | 66362 |
[1,5,18,46,95,172,268,417,597,854,1110,1483,1871, 2384,2860,3569,4261,5118,5946,7075,8107,9408, 10632,12237,13821,15610,17422,19571,21703,24148, 26516,29377,32061,35182,38282,41743,45287,49072, 52920,57261,61545,66362] |