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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 13 |
| 2 | 65 |
| 3 | 156 |
| 4 | 286 |
| 5 | 455 |
| 6 | 663 |
| 7 | 910 |
| 8 | 1196 |
| 9 | 1521 |
| 10 | 1885 |
| 11 | 2288 |
| 12 | 2730 |
| 13 | 3211 |
| 14 | 3731 |
| 15 | 4290 |
| 16 | 4888 |
| 17 | 5525 |
| 18 | 6201 |
| 19 | 6916 |
| 20 | 7670 |
| 21 | 8463 |
| 22 | 9295 |
| 23 | 10166 |
| 24 | 11076 |
| 25 | 12025 |
| 26 | 13013 |
| 27 | 14040 |
| 28 | 15106 |
| 29 | 16211 |
| 30 | 17355 |
| 31 | 18538 |
| 32 | 19760 |
| 33 | 21021 |
| 34 | 22321 |
| 35 | 23660 |
| 36 | 25038 |
| 37 | 26455 |
[0,13,65,156,286,455,663,910,1196,1521,1885,2288, 2730,3211,3731,4290,4888,5525,6201,6916,7670,8463, 9295,10166,11076,12025,13013,14040,15106,16211, 17355,18538,19760,21021,22321,23660,25038,26455] |