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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 17 |
| 4 | 42 |
| 5 | 78 |
| 6 | 149 |
| 7 | 234 |
| 8 | 379 |
| 9 | 555 |
| 10 | 815 |
| 11 | 1102 |
| 12 | 1557 |
| 13 | 2013 |
| 14 | 2662 |
| 15 | 3388 |
| 16 | 4349 |
| 17 | 5319 |
| 18 | 6695 |
| 19 | 8026 |
| 20 | 9846 |
| 21 | 11712 |
| 22 | 14027 |
| 23 | 16328 |
| 24 | 19503 |
| 25 | 22464 |
| 26 | 26200 |
| 27 | 30030 |
| 28 | 34759 |
| 29 | 39255 |
| 30 | 45221 |
| 31 | 50678 |
| 32 | 57623 |
| 33 | 64465 |
| 34 | 72579 |
| 35 | 80469 |
| 36 | 90665 |
| 37 | 99805 |
| 38 | 111020 |
| 39 | 122146 |
| 40 | 135566 |
| 41 | 147908 |
| 42 | 163638 |
[1,6,17,42,78,149,234,379,555,815,1102,1557,2013, 2662,3388,4349,5319,6695,8026,9846,11712,14027, 16328,19503,22464,26200,30030,34759,39255,45221, 50678,57623,64465,72579,80469,90665,99805,111020, 122146,135566,147908,163638] |