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| n | a(n) |
|---|---|
| 0 | 26 |
| 1 | 53 |
| 2 | 556 |
| 3 | 5613 |
| 4 | 11782 |
| 5 | 618277 |
| 6 | 1248336 |
| 7 | 13101637 |
| 8 | 132264706 |
| 9 | 277631049 |
| 10 | 14569079254 |
| 11 | 29415789557 |
| 12 | 308726974824 |
| 13 | 3116685537797 |
| 14 | 6542098050418 |
| 15 | 343305784159533 |
| 16 | 693153666369484 |
| 17 | 7274842447854373 |
| 18 | 73441578144913214 |
| 19 | 154157998737680801 |
| 20 | 8089657512504314866 |
[26,53,556,5613,11782,618277,1248336,13101637, 132264706,277631049,14569079254,29415789557, 308726974824,3116685537797,6542098050418, 343305784159533,693153666369484,7274842447854373, 73441578144913214,154157998737680801, 8089657512504314866] |