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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 61 |
| 3 | 190 |
| 4 | 526 |
| 5 | 1262 |
| 6 | 2766 |
| 7 | 5647 |
| 8 | 10878 |
| 9 | 19971 |
| 10 | 35180 |
| 11 | 59780 |
| 12 | 98414 |
| 13 | 157524 |
| 14 | 245879 |
| 15 | 375214 |
| 16 | 560995 |
| 17 | 823326 |
| 18 | 1188015 |
| 19 | 1687817 |
| 20 | 2363873 |
| 21 | 3267365 |
| 22 | 4461408 |
| 23 | 6023201 |
| 24 | 8046460 |
| 25 | 10644157 |
| 26 | 13951590 |
| 27 | 18129810 |
| 28 | 23369432 |
| 29 | 29894858 |
| 30 | 37968941 |
[12,61,190,526,1262,2766,5647,10878,19971,35180, 59780,98414,157524,245879,375214,560995,823326, 1188015,1687817,2363873,3267365,4461408,6023201, 8046460,10644157,13951590,18129810,23369432, 29894858,37968941] |