n | a(n) |
---|---|
0 | 0 |
1 | 4 |
2 | 14 |
3 | 64 |
4 | 314 |
5 | 2814 |
6 | 2814 |
7 | 2814 |
8 | 237189 |
9 | 1018439 |
10 | 1018439 |
11 | 10784064 |
12 | 10784064 |
13 | 743205939 |
14 | 1963909064 |
15 | 20274455939 |
16 | 142344768439 |
17 | 142344768439 |
18 | 142344768439 |
19 | 7771739299689 |
20 | 64992198284064 |
21 | 446461924846564 |
22 | 1876973399455939 |
23 | 4261159190471564 |
24 | 16182088145549689 |
25 | 16182088145549689 |
[0,4,14,64,314,2814,2814,2814,237189,1018439, 1018439,10784064,10784064,743205939,1963909064, 20274455939,142344768439,142344768439, 142344768439,7771739299689,64992198284064, 446461924846564,1876973399455939,4261159190471564, 16182088145549689,16182088145549689] |