Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 4 |
2 | 34 |
3 | 153 |
4 | 776 |
5 | 3861 |
6 | 18721 |
7 | 91993 |
8 | 453274 |
9 | 2223662 |
10 | 10915727 |
11 | 53635324 |
12 | 263420767 |
13 | 1293604417 |
14 | 6353594215 |
15 | 31205396110 |
16 | 153258629442 |
17 | 752708346275 |
18 | 3696838244354 |
19 | 18156489259107 |
20 | 89173024237567 |
21 | 437961215793703 |
[4,34,153,776,3861,18721,91993,453274,2223662, 10915727,53635324,263420767,1293604417,6353594215, 31205396110,153258629442,752708346275, 3696838244354,18156489259107,89173024237567, 437961215793703] |