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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 22 |
| 3 | 92 |
| 4 | 246 |
| 5 | 520 |
| 6 | 950 |
| 7 | 1572 |
| 8 | 2422 |
| 9 | 3536 |
| 10 | 4950 |
| 11 | 6700 |
| 12 | 8822 |
| 13 | 11352 |
| 14 | 14326 |
| 15 | 17780 |
| 16 | 21750 |
| 17 | 26272 |
| 18 | 31382 |
| 19 | 37116 |
| 20 | 43510 |
| 21 | 50600 |
| 22 | 58422 |
| 23 | 67012 |
| 24 | 76406 |
| 25 | 86640 |
| 26 | 97750 |
| 27 | 109772 |
| 28 | 122742 |
| 29 | 136696 |
| 30 | 151670 |
| 31 | 167700 |
| 32 | 184822 |
| 33 | 203072 |
| 34 | 222486 |
| 35 | 243100 |
[0,2,22,92,246,520,950,1572,2422,3536,4950,6700, 8822,11352,14326,17780,21750,26272,31382,37116, 43510,50600,58422,67012,76406,86640,97750,109772, 122742,136696,151670,167700,184822,203072,222486, 243100] |