n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 16 |
5 | 85 |
6 | 1236 |
7 | 3199 |
8 | 16360 |
9 | 127089 |
10 | 4000060 |
11 | 11611171 |
12 | 72911004 |
13 | 442913497 |
14 | 5177797002 |
15 | 290010308085 |
16 | 978349601296 |
17 | 6728549447185 |
18 | 44033288884380 |
19 | 385256716186411 |
20 | 5731544164765060 |
21 | 556321576055732361 |
22 | 2110915493489006842 |
23 | 16434402369599464141 |
[1,1,2,9,16,85,1236,3199,16360,127089,4000060, 11611171,72911004,442913497,5177797002, 290010308085,978349601296,6728549447185, 44033288884380,385256716186411,5731544164765060, 556321576055732361,2110915493489006842, 16434402369599464141] |