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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 25 |
| 3 | 62 |
| 4 | 139 |
| 5 | 296 |
| 6 | 613 |
| 7 | 1250 |
| 8 | 2527 |
| 9 | 5084 |
| 10 | 10201 |
| 11 | 20438 |
| 12 | 40915 |
| 13 | 81872 |
| 14 | 163789 |
| 15 | 327626 |
| 16 | 655303 |
| 17 | 1310660 |
| 18 | 2621377 |
| 19 | 5242814 |
| 20 | 10485691 |
| 21 | 20971448 |
| 22 | 41942965 |
| 23 | 83886002 |
| 24 | 167772079 |
| 25 | 335544236 |
| 26 | 671088553 |
| 27 | 1342177190 |
| 28 | 2684354467 |
| 29 | 5368709024 |
| 30 | 10737418141 |
| 31 | 21474836378 |
[1,8,25,62,139,296,613,1250,2527,5084,10201,20438, 40915,81872,163789,327626,655303,1310660,2621377, 5242814,10485691,20971448,41942965,83886002, 167772079,335544236,671088553,1342177190, 2684354467,5368709024,10737418141,21474836378] |