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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 164 |
| 3 | 1414 |
| 4 | 6216 |
| 5 | 19338 |
| 6 | 48620 |
| 7 | 105742 |
| 8 | 206992 |
| 9 | 374034 |
| 10 | 634676 |
| 11 | 1023638 |
| 12 | 1583320 |
| 13 | 2364570 |
| 14 | 3427452 |
| 15 | 4842014 |
| 16 | 6689056 |
| 17 | 9060898 |
| 18 | 12062148 |
| 19 | 15810470 |
| 20 | 20437352 |
| 21 | 26088874 |
| 22 | 32926476 |
| 23 | 41127726 |
| 24 | 50887088 |
| 25 | 62416690 |
| 26 | 75947092 |
| 27 | 91728054 |
| 28 | 110029304 |
| 29 | 131141306 |
| 30 | 155376028 |
[2,164,1414,6216,19338,48620,105742,206992,374034, 634676,1023638,1583320,2364570,3427452,4842014, 6689056,9060898,12062148,15810470,20437352, 26088874,32926476,41127726,50887088,62416690, 75947092,91728054,110029304,131141306,155376028] |