n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 30 |
6 | 5 |
7 | 972 |
8 | 115 |
9 | 2751 |
10 | 201 |
11 | 5225670 |
12 | 401 |
13 | 701216922 |
14 | 21376 |
15 | 1084178 |
16 | 2304261 |
17 | 31268240559432 |
18 | 89634 |
19 | 9634381345852650 |
20 | 9512947 |
21 | 59351535853 |
22 | 1422376141 |
23 | 1708512949279640961732 |
24 | 39380419 |
25 | 59683863841431305060 |
[1,1,2,3,30,5,972,115,2751,201,5225670,401, 701216922,21376,1084178,2304261,31268240559432, 89634,9634381345852650,9512947,59351535853, 1422376141,1708512949279640961732,39380419, 59683863841431305060] |