Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 10 |
4 | 50 |
5 | 210 |
6 | 882 |
7 | 3570 |
8 | 14450 |
9 | 57970 |
10 | 232562 |
11 | 930930 |
12 | 3726450 |
13 | 14908530 |
14 | 59645042 |
15 | 238591090 |
16 | 954408050 |
17 | 3817675890 |
18 | 15270878322 |
19 | 61083688050 |
20 | 244335451250 |
21 | 977342504050 |
22 | 3909372812402 |
23 | 15637494045810 |
24 | 62549987368050 |
25 | 250199960657010 |
26 | 1000799887367282 |
27 | 4003199594208370 |
[0,2,10,50,210,882,3570,14450,57970,232562,930930, 3726450,14908530,59645042,238591090,954408050, 3817675890,15270878322,61083688050,244335451250, 977342504050,3909372812402,15637494045810, 62549987368050,250199960657010,1000799887367282, 4003199594208370] |