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| n | a(n) |
|---|---|
| 1 | 4456 |
| 2 | 6088 |
| 3 | 8760 |
| 4 | 13912 |
| 5 | 23016 |
| 6 | 40968 |
| 7 | 74888 |
| 8 | 144184 |
| 9 | 283832 |
| 10 | 581720 |
| 11 | 1219560 |
| 12 | 2643112 |
| 13 | 5857032 |
| 14 | 13329432 |
| 15 | 30923000 |
| 16 | 73178104 |
| 17 | 175729256 |
| 18 | 427827272 |
| 19 | 1052243592 |
| 20 | 2611236664 |
| 21 | 6523282488 |
| 22 | 16387734744 |
| 23 | 41341915880 |
| 24 | 104653471144 |
[4456,6088,8760,13912,23016,40968,74888,144184, 283832,581720,1219560,2643112,5857032,13329432, 30923000,73178104,175729256,427827272,1052243592, 2611236664,6523282488,16387734744,41341915880, 104653471144] |