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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 104 |
| 3 | 608 |
| 4 | 1940 |
| 5 | 4916 |
| 6 | 10084 |
| 7 | 19052 |
| 8 | 32352 |
| 9 | 52084 |
| 10 | 79308 |
| 11 | 116900 |
| 12 | 164564 |
| 13 | 227860 |
| 14 | 306324 |
| 15 | 403868 |
| 16 | 522256 |
| 17 | 667488 |
| 18 | 837236 |
| 19 | 1041708 |
| 20 | 1277060 |
| 21 | 1553116 |
| 22 | 1871084 |
| 23 | 2238452 |
| 24 | 2648836 |
| 25 | 3121648 |
| 26 | 3652200 |
| 27 | 4248656 |
| 28 | 4911312 |
| 29 | 5656784 |
[4,104,608,1940,4916,10084,19052,32352,52084, 79308,116900,164564,227860,306324,403868,522256, 667488,837236,1041708,1277060,1553116,1871084, 2238452,2648836,3121648,3652200,4248656,4911312, 5656784] |