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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 44 |
| 4 | 153 |
| 5 | 413 |
| 6 | 949 |
| 7 | 1948 |
| 8 | 3676 |
| 9 | 6497 |
| 10 | 10894 |
| 11 | 17492 |
| 12 | 27083 |
| 13 | 40653 |
| 14 | 59411 |
| 15 | 84820 |
| 16 | 118630 |
| 17 | 162913 |
| 18 | 220100 |
| 19 | 293020 |
| 20 | 384941 |
| 21 | 499613 |
| 22 | 641313 |
| 23 | 814892 |
| 24 | 1025824 |
| 25 | 1280257 |
| 26 | 1585066 |
| 27 | 1947908 |
| 28 | 2377279 |
| 29 | 2882573 |
| 30 | 3474143 |
| 31 | 4163364 |
| 32 | 4962698 |
| 33 | 5885761 |
| 34 | 6947392 |
[1,8,44,153,413,949,1948,3676,6497,10894,17492, 27083,40653,59411,84820,118630,162913,220100, 293020,384941,499613,641313,814892,1025824, 1280257,1585066,1947908,2377279,2882573,3474143, 4163364,4962698,5885761,6947392] |