n | a(n) |
---|---|
4 | 3 |
5 | 23 |
6 | 152 |
7 | 984 |
8 | 6460 |
9 | 43626 |
10 | 304939 |
11 | 2211467 |
12 | 16649780 |
13 | 130097338 |
14 | 1054226016 |
15 | 8850736900 |
16 | 76901730751 |
17 | 690749091147 |
18 | 6406953787268 |
19 | 61300205459232 |
20 | 604367205789092 |
21 | 6133919028981542 |
22 | 64027105979768111 |
23 | 686736004045762143 |
24 | 7562191796264603160 |
[3,23,152,984,6460,43626,304939,2211467,16649780, 130097338,1054226016,8850736900,76901730751, 690749091147,6406953787268,61300205459232, 604367205789092,6133919028981542, 64027105979768111,686736004045762143, 7562191796264603160] |