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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 39 |
| 3 | 295 |
| 4 | 1275 |
| 5 | 4285 |
| 6 | 11591 |
| 7 | 27087 |
| 8 | 57287 |
| 9 | 111197 |
| 10 | 203089 |
| 11 | 349901 |
| 12 | 576085 |
| 13 | 913583 |
| 14 | 1401163 |
| 15 | 2091765 |
| 16 | 3041933 |
| 17 | 4328151 |
| 18 | 6039055 |
| 19 | 8278625 |
| 20 | 11178429 |
| 21 | 14870953 |
| 22 | 19532181 |
| 23 | 25349001 |
| 24 | 32546367 |
| 25 | 41378489 |
| 26 | 52112595 |
| 27 | 65077017 |
| 28 | 80620049 |
| 29 | 99147253 |
[5,39,295,1275,4285,11591,27087,57287,111197, 203089,349901,576085,913583,1401163,2091765, 3041933,4328151,6039055,8278625,11178429,14870953, 19532181,25349001,32546367,41378489,52112595, 65077017,80620049,99147253] |