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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 40 |
| 3 | 184 |
| 4 | 496 |
| 5 | 1240 |
| 6 | 2144 |
| 7 | 4380 |
| 8 | 6720 |
| 9 | 10860 |
| 10 | 15528 |
| 11 | 24300 |
| 12 | 30152 |
| 13 | 46036 |
| 14 | 57496 |
| 15 | 75056 |
| 16 | 96416 |
| 17 | 129052 |
| 18 | 148512 |
| 19 | 198392 |
| 20 | 225240 |
| 21 | 279576 |
| 22 | 336272 |
| 23 | 415988 |
| 24 | 453376 |
| 25 | 565052 |
| 26 | 648008 |
| 27 | 754808 |
| 28 | 848664 |
| 29 | 1026040 |
| 30 | 1085536 |
| 31 | 1331532 |
| 32 | 1452704 |
| 33 | 1652684 |
| 34 | 1862600 |
| 35 | 2084888 |
| 36 | 2247568 |
| 37 | 2662092 |
| 38 | 2887944 |
| 39 | 3193744 |
[4,40,184,496,1240,2144,4380,6720,10860,15528, 24300,30152,46036,57496,75056,96416,129052,148512, 198392,225240,279576,336272,415988,453376,565052, 648008,754808,848664,1026040,1085536,1331532, 1452704,1652684,1862600,2084888,2247568,2662092, 2887944,3193744] |