Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 2 |
2 | 8 |
3 | 18 |
4 | 45 |
5 | 125 |
6 | 320 |
7 | 832 |
8 | 2197 |
9 | 5733 |
10 | 14994 |
11 | 39304 |
12 | 102850 |
13 | 269225 |
14 | 704969 |
15 | 1845504 |
16 | 4831488 |
17 | 12649337 |
18 | 33116057 |
19 | 86698690 |
20 | 226981000 |
21 | 594243090 |
22 | 1555747893 |
23 | 4073003173 |
24 | 10663258432 |
25 | 27916771136 |
26 | 73087061741 |
27 | 191344405725 |
[2,8,18,45,125,320,832,2197,5733,14994,39304, 102850,269225,704969,1845504,4831488,12649337, 33116057,86698690,226981000,594243090,1555747893, 4073003173,10663258432,27916771136,73087061741, 191344405725] |