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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 29 |
| 3 | 66 |
| 4 | 126 |
| 5 | 210 |
| 6 | 339 |
| 7 | 488 |
| 8 | 712 |
| 9 | 949 |
| 10 | 1278 |
| 11 | 1622 |
| 12 | 2095 |
| 13 | 2587 |
| 14 | 3211 |
| 15 | 3816 |
| 16 | 4660 |
| 17 | 5476 |
| 18 | 6445 |
| 19 | 7469 |
| 20 | 8757 |
| 21 | 10006 |
| 22 | 11411 |
| 23 | 12956 |
| 24 | 14756 |
| 25 | 16556 |
| 26 | 18493 |
| 27 | 20589 |
| 28 | 23109 |
| 29 | 25542 |
| 30 | 28138 |
| 31 | 30886 |
| 32 | 34051 |
| 33 | 37215 |
| 34 | 40475 |
| 35 | 44040 |
| 36 | 48056 |
| 37 | 52037 |
| 38 | 56041 |
| 39 | 60545 |
| 40 | 65414 |
| 41 | 70202 |
[1,9,29,66,126,210,339,488,712,949,1278,1622,2095, 2587,3211,3816,4660,5476,6445,7469,8757,10006, 11411,12956,14756,16556,18493,20589,23109,25542, 28138,30886,34051,37215,40475,44040,48056,52037, 56041,60545,65414,70202] |