Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 23 |
2 | 205 |
3 | 1120 |
4 | 4508 |
5 | 14700 |
6 | 41076 |
7 | 101970 |
8 | 230505 |
9 | 482911 |
10 | 949949 |
11 | 1772134 |
12 | 3159520 |
13 | 5416880 |
14 | 8975184 |
15 | 14430348 |
16 | 22590297 |
17 | 34531455 |
18 | 51665845 |
19 | 75820052 |
20 | 109327372 |
21 | 155134540 |
22 | 216924500 |
23 | 299256750 |
24 | 407726865 |
25 | 549146871 |
26 | 731748213 |
[1,23,205,1120,4508,14700,41076,101970,230505, 482911,949949,1772134,3159520,5416880,8975184, 14430348,22590297,34531455,51665845,75820052, 109327372,155134540,216924500,299256750,407726865, 549146871,731748213] |