n | a(n) |
---|---|
1 | 4 |
2 | 99 |
3 | 749 |
4 | 6249 |
5 | 31249 |
6 | 281249 |
7 | 781249 |
8 | 75781249 |
9 | 925781249 |
10 | 1425781249 |
11 | 86425781249 |
12 | 336425781249 |
13 | 4836425781249 |
14 | 69836425781249 |
15 | 19836425781249 |
16 | 7519836425781249 |
17 | 62519836425781249 |
18 | 12519836425781249 |
19 | 9512519836425781249 |
20 | 34512519836425781249 |
[4,99,749,6249,31249,281249,781249,75781249, 925781249,1425781249,86425781249,336425781249, 4836425781249,69836425781249,19836425781249, 7519836425781249,62519836425781249, 12519836425781249,9512519836425781249, 34512519836425781249] |