Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 19 |
2 | 140 |
3 | 860 |
4 | 4572 |
5 | 22183 |
6 | 100362 |
7 | 432048 |
8 | 1791740 |
9 | 7225068 |
10 | 28510387 |
11 | 110629661 |
12 | 423640742 |
13 | 1605361751 |
14 | 6032626211 |
15 | 22517083366 |
16 | 83589139136 |
17 | 308933515758 |
18 | 1137661210293 |
19 | 4177146453272 |
20 | 15300167480847 |
21 | 55930646132694 |
[19,140,860,4572,22183,100362,432048,1791740, 7225068,28510387,110629661,423640742,1605361751, 6032626211,22517083366,83589139136,308933515758, 1137661210293,4177146453272,15300167480847, 55930646132694] |