n | a(n) |
---|---|
1 | 1 |
2 | 11 |
3 | 61 |
4 | 451 |
5 | 3001 |
6 | 20801 |
7 | 141961 |
8 | 974611 |
9 | 6675901 |
10 | 45768251 |
11 | 313671601 |
12 | 2150012161 |
13 | 14736206161 |
14 | 101003973851 |
15 | 692290189501 |
16 | 4745031073651 |
17 | 32522917584361 |
18 | 222915417520961 |
19 | 1527884938291801 |
20 | 10472279325329251 |
21 | 71778069881360701 |
22 | 491974211042344811 |
23 | 3372041404278257761 |
[1,11,61,451,3001,20801,141961,974611,6675901, 45768251,313671601,2150012161,14736206161, 101003973851,692290189501,4745031073651, 32522917584361,222915417520961,1527884938291801, 10472279325329251,71778069881360701, 491974211042344811,3372041404278257761] |