n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 11 |
6 | 33 |
7 | 116 |
8 | 456 |
9 | 1999 |
10 | 9623 |
11 | 50603 |
12 | 288287 |
13 | 1769352 |
14 | 11636669 |
15 | 81652911 |
16 | 608857325 |
17 | 4807873069 |
18 | 40080193414 |
19 | 351751992542 |
20 | 3241754135966 |
21 | 31301851579056 |
22 | 316012152140592 |
23 | 3329322705562603 |
24 | 36539984716325869 |
25 | 417102552119591395 |
26 | 4944630222121834001 |
27 | 60791493200390178470 |
[1,1,1,2,4,11,33,116,456,1999,9623,50603,288287, 1769352,11636669,81652911,608857325,4807873069, 40080193414,351751992542,3241754135966, 31301851579056,316012152140592,3329322705562603, 36539984716325869,417102552119591395, 4944630222121834001,60791493200390178470] |