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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 9 |
| 3 | 26 |
| 4 | 60 |
| 5 | 122 |
| 6 | 225 |
| 7 | 386 |
| 8 | 624 |
| 9 | 962 |
| 10 | 1429 |
| 11 | 2056 |
| 12 | 2880 |
| 13 | 3942 |
| 14 | 5285 |
| 15 | 6956 |
| 16 | 9008 |
| 17 | 11500 |
| 18 | 14493 |
| 19 | 18054 |
| 20 | 22254 |
| 21 | 27166 |
| 22 | 32869 |
| 23 | 39446 |
| 24 | 46986 |
| 25 | 55586 |
| 26 | 65347 |
| 27 | 76372 |
| 28 | 88768 |
| 29 | 102644 |
| 30 | 118113 |
| 31 | 135302 |
| 32 | 154342 |
| 33 | 175370 |
[2,9,26,60,122,225,386,624,962,1429,2056,2880, 3942,5285,6956,9008,11500,14493,18054,22254,27166, 32869,39446,46986,55586,65347,76372,88768,102644, 118113,135302,154342,175370] |