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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 25 |
| 3 | 78 |
| 4 | 245 |
| 5 | 775 |
| 6 | 2450 |
| 7 | 7746 |
| 8 | 24495 |
| 9 | 77460 |
| 10 | 244949 |
| 11 | 774597 |
| 12 | 2449490 |
| 13 | 7745967 |
| 14 | 24494898 |
| 15 | 77459667 |
| 16 | 244948975 |
| 17 | 774596670 |
| 18 | 2449489743 |
| 19 | 7745966693 |
| 20 | 24494897428 |
| 21 | 77459666925 |
| 22 | 244948974279 |
| 23 | 774596669242 |
| 24 | 2449489742784 |
| 25 | 7745966692415 |
| 26 | 24494897427832 |
| 27 | 77459666924149 |
[8,25,78,245,775,2450,7746,24495,77460,244949, 774597,2449490,7745967,24494898,77459667, 244948975,774596670,2449489743,7745966693, 24494897428,77459666925,244948974279,774596669242, 2449489742784,7745966692415,24494897427832, 77459666924149] |