Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 31 |
4 | 219 |
5 | 1824 |
6 | 17399 |
7 | 187515 |
8 | 2253719 |
9 | 29901003 |
10 | 434160685 |
11 | 6849337806 |
12 | 116676871558 |
13 | 2134676852102 |
14 | 41750401011910 |
15 | 869331806970497 |
16 | 19201093398122590 |
17 | 448406874976429839 |
18 | 11039773995438108342 |
19 | 285791694464806445199 |
[1,1,5,31,219,1824,17399,187515,2253719,29901003, 434160685,6849337806,116676871558,2134676852102, 41750401011910,869331806970497,19201093398122590, 448406874976429839,11039773995438108342, 285791694464806445199] |