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| n | a(n) |
|---|---|
| 1 | 1336 |
| 2 | 1690 |
| 3 | 2324 |
| 4 | 3616 |
| 5 | 6076 |
| 6 | 11140 |
| 7 | 21164 |
| 8 | 42076 |
| 9 | 84556 |
| 10 | 174700 |
| 11 | 361484 |
| 12 | 766156 |
| 13 | 1619596 |
| 14 | 3513100 |
| 15 | 7574924 |
| 16 | 16818316 |
| 17 | 36974476 |
| 18 | 84005260 |
| 19 | 188124044 |
| 20 | 436672396 |
| 21 | 994194316 |
| 22 | 2351102860 |
| 23 | 5427635084 |
| 24 | 13031887756 |
| 25 | 30417011596 |
| 26 | 73894388620 |
[1336,1690,2324,3616,6076,11140,21164,42076,84556, 174700,361484,766156,1619596,3513100,7574924, 16818316,36974476,84005260,188124044,436672396, 994194316,2351102860,5427635084,13031887756, 30417011596,73894388620] |