n | a(n) |
---|---|
1 | 4 |
2 | 37 |
3 | 395 |
4 | 3575 |
5 | 30145 |
6 | 247495 |
7 | 2003761 |
8 | 16117917 |
9 | 129240286 |
10 | 1034701626 |
11 | 8277555240 |
12 | 66195137589 |
13 | 529260702037 |
14 | 4231296692315 |
15 | 33826548373479 |
16 | 270415884605246 |
17 | 2161732368363020 |
18 | 17281016582013451 |
19 | 138145098446018337 |
[4,37,395,3575,30145,247495,2003761,16117917, 129240286,1034701626,8277555240,66195137589, 529260702037,4231296692315,33826548373479, 270415884605246,2161732368363020, 17281016582013451,138145098446018337] |