n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 115 |
5 | 1021 |
6 | 10696 |
7 | 128472 |
8 | 1734447 |
9 | 25937683 |
10 | 424852351 |
11 | 7554471156 |
12 | 144767131444 |
13 | 2971727661124 |
14 | 65013102375404 |
15 | 1509186299410896 |
16 | 37032678328740751 |
17 | 957376811266995031 |
18 | 25999194631060525009 |
19 | 739741591417352081464 |
20 | 22000132609456951524051 |
[1,1,3,16,115,1021,10696,128472,1734447,25937683, 424852351,7554471156,144767131444,2971727661124, 65013102375404,1509186299410896,37032678328740751, 957376811266995031,25999194631060525009, 739741591417352081464,22000132609456951524051] |