Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 8 |
3 | 25 |
4 | 60 |
5 | 147 |
6 | 336 |
7 | 882 |
8 | 1960 |
9 | 4631 |
10 | 10104 |
11 | 25207 |
12 | 54292 |
13 | 125895 |
14 | 268576 |
15 | 653191 |
16 | 1383228 |
17 | 3172981 |
18 | 6679960 |
19 | 15996204 |
20 | 33515856 |
21 | 76350225 |
22 | 159339600 |
23 | 377580850 |
24 | 785368168 |
25 | 1780545051 |
26 | 3692982328 |
27 | 8684805392 |
28 | 17968562880 |
[1,3,8,25,60,147,336,882,1960,4631,10104,25207, 54292,125895,268576,653191,1383228,3172981, 6679960,15996204,33515856,76350225,159339600, 377580850,785368168,1780545051,3692982328, 8684805392,17968562880] |