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| n | a(n) |
|---|---|
| 1 | 22 |
| 2 | 396 |
| 3 | 2780 |
| 4 | 11950 |
| 5 | 38322 |
| 6 | 101192 |
| 7 | 232696 |
| 8 | 482490 |
| 9 | 923150 |
| 10 | 1656292 |
| 11 | 2819412 |
| 12 | 4593446 |
| 13 | 7211050 |
| 14 | 10965600 |
| 15 | 16220912 |
| 16 | 23421682 |
| 17 | 33104646 |
| 18 | 45910460 |
| 19 | 62596300 |
| 20 | 84049182 |
| 21 | 111300002 |
| 22 | 145538296 |
| 23 | 188127720 |
| 24 | 240622250 |
| 25 | 304783102 |
| 26 | 382596372 |
[22,396,2780,11950,38322,101192,232696,482490, 923150,1656292,2819412,4593446,7211050,10965600, 16220912,23421682,33104646,45910460,62596300, 84049182,111300002,145538296,188127720,240622250, 304783102,382596372] |