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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 6 |
| 3 | 23 |
| 4 | 52 |
| 5 | 105 |
| 6 | 178 |
| 7 | 287 |
| 8 | 424 |
| 9 | 609 |
| 10 | 830 |
| 11 | 1111 |
| 12 | 1436 |
| 13 | 1833 |
| 14 | 2282 |
| 15 | 2815 |
| 16 | 3408 |
| 17 | 4097 |
| 18 | 4854 |
| 19 | 5719 |
| 20 | 6660 |
| 21 | 7721 |
| 22 | 8866 |
| 23 | 10143 |
| 24 | 11512 |
| 25 | 13025 |
| 26 | 14638 |
| 27 | 16407 |
| 28 | 18284 |
| 29 | 20329 |
| 30 | 22490 |
| 31 | 24831 |
| 32 | 27296 |
| 33 | 29953 |
| 34 | 32742 |
| 35 | 35735 |
| 36 | 38868 |
| 37 | 42217 |
| 38 | 45714 |
| 39 | 49439 |
[0,1,6,23,52,105,178,287,424,609,830,1111,1436, 1833,2282,2815,3408,4097,4854,5719,6660,7721,8866, 10143,11512,13025,14638,16407,18284,20329,22490, 24831,27296,29953,32742,35735,38868,42217,45714, 49439] |