Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 28 |
4 | 121 |
5 | 546 |
6 | 2531 |
7 | 11934 |
8 | 56867 |
9 | 272580 |
10 | 1309505 |
11 | 6285630 |
12 | 30057195 |
13 | 142754008 |
14 | 671062828 |
15 | 3108766166 |
16 | 14108600499 |
17 | 62170980416 |
18 | 262108536781 |
19 | 1027886900446 |
20 | 3509371721163 |
21 | 8204350476210 |
22 | -12172347463045 |
23 | -361684831407060 |
24 | -3497893818262311 |
[1,2,7,28,121,546,2531,11934,56867,272580,1309505, 6285630,30057195,142754008,671062828,3108766166, 14108600499,62170980416,262108536781, 1027886900446,3509371721163,8204350476210, -12172347463045,-361684831407060, -3497893818262311] |