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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 51 |
| 3 | 114 |
| 4 | 202 |
| 5 | 315 |
| 6 | 453 |
| 7 | 616 |
| 8 | 805 |
| 9 | 1018 |
| 10 | 1257 |
| 11 | 1521 |
| 12 | 1810 |
| 13 | 2124 |
| 14 | 2464 |
| 15 | 2828 |
| 16 | 3217 |
| 17 | 3632 |
| 18 | 4072 |
| 19 | 4537 |
| 20 | 5027 |
| 21 | 5542 |
| 22 | 6083 |
| 23 | 6648 |
| 24 | 7239 |
| 25 | 7854 |
| 26 | 8495 |
| 27 | 9161 |
| 28 | 9853 |
| 29 | 10569 |
| 30 | 11310 |
| 31 | 12077 |
| 32 | 12868 |
| 33 | 13685 |
| 34 | 14527 |
| 35 | 15394 |
| 36 | 16287 |
| 37 | 17204 |
| 38 | 18146 |
| 39 | 19114 |
| 40 | 20107 |
[13,51,114,202,315,453,616,805,1018,1257,1521, 1810,2124,2464,2828,3217,3632,4072,4537,5027,5542, 6083,6648,7239,7854,8495,9161,9853,10569,11310, 12077,12868,13685,14527,15394,16287,17204,18146, 19114,20107] |