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| n | a(n) |
|---|---|
| 0 | 35 |
| 1 | 225 |
| 2 | 837 |
| 3 | 3213 |
| 4 | 12573 |
| 5 | 49725 |
| 6 | 197757 |
| 7 | 788733 |
| 8 | 3150333 |
| 9 | 12592125 |
| 10 | 50350077 |
| 11 | 201363453 |
| 12 | 805380093 |
| 13 | 3221372925 |
| 14 | 12885196797 |
| 15 | 51540197373 |
| 16 | 206159609853 |
| 17 | 824636080125 |
| 18 | 3298539601917 |
| 19 | 13194148970493 |
| 20 | 52776577007613 |
[35,225,837,3213,12573,49725,197757,788733, 3150333,12592125,50350077,201363453,805380093, 3221372925,12885196797,51540197373,206159609853, 824636080125,3298539601917,13194148970493, 52776577007613] |