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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 12 |
| 2 | 52 |
| 3 | 140 |
| 4 | 294 |
| 5 | 532 |
| 6 | 872 |
| 7 | 1332 |
| 8 | 1930 |
| 9 | 2684 |
| 10 | 3612 |
| 11 | 4732 |
| 12 | 6062 |
| 13 | 7620 |
| 14 | 9424 |
| 15 | 11492 |
| 16 | 13842 |
| 17 | 16492 |
| 18 | 19460 |
| 19 | 22764 |
| 20 | 26422 |
| 21 | 30452 |
| 22 | 34872 |
| 23 | 39700 |
| 24 | 44954 |
| 25 | 50652 |
| 26 | 56812 |
| 27 | 63452 |
| 28 | 70590 |
| 29 | 78244 |
| 30 | 86432 |
| 31 | 95172 |
| 32 | 104482 |
| 33 | 114380 |
| 34 | 124884 |
| 35 | 136012 |
| 36 | 147782 |
[2,12,52,140,294,532,872,1332,1930,2684,3612,4732, 6062,7620,9424,11492,13842,16492,19460,22764, 26422,30452,34872,39700,44954,50652,56812,63452, 70590,78244,86432,95172,104482,114380,124884, 136012,147782] |