n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 24 |
3 | 100 |
4 | 396 |
5 | 1596 |
6 | 6364 |
7 | 25500 |
8 | 101916 |
9 | 407836 |
10 | 1631004 |
11 | 6524700 |
12 | 26097436 |
13 | 104392476 |
14 | 417564444 |
15 | 1670268700 |
16 | 6681052956 |
17 | 26724255516 |
18 | 106896934684 |
19 | 427587913500 |
20 | 1710351304476 |
21 | 6841405916956 |
22 | 27365622269724 |
23 | 109462491875100 |
24 | 437849961907996 |
25 | 1751399858816796 |
26 | 7005599412897564 |
27 | 28022397696329500 |
28 | 112089590695839516 |
[1,6,24,100,396,1596,6364,25500,101916,407836, 1631004,6524700,26097436,104392476,417564444, 1670268700,6681052956,26724255516,106896934684, 427587913500,1710351304476,6841405916956, 27365622269724,109462491875100,437849961907996, 1751399858816796,7005599412897564, 28022397696329500,112089590695839516] |