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| n | a(n) |
|---|---|
| 1 | 7253 |
| 2 | 27070 |
| 3 | 62237 |
| 4 | 182493 |
| 5 | 398710 |
| 6 | 949158 |
| 7 | 2008246 |
| 8 | 4342893 |
| 9 | 8951319 |
| 10 | 18483480 |
| 11 | 37447005 |
| 12 | 75653443 |
| 13 | 151756020 |
| 14 | 303701337 |
| 15 | 606456423 |
| 16 | 1209715276 |
| 17 | 2412487047 |
| 18 | 4810079658 |
| 19 | 9594345755 |
| 20 | 19140473863 |
| 21 | 38203883340 |
| 22 | 76274256635 |
| 23 | 152344233515 |
[7253,27070,62237,182493,398710,949158,2008246, 4342893,8951319,18483480,37447005,75653443, 151756020,303701337,606456423,1209715276, 2412487047,4810079658,9594345755,19140473863, 38203883340,76274256635,152344233515] |