Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 6 |
2 | 126 |
3 | 1092 |
4 | 5460 |
5 | 19530 |
6 | 55986 |
7 | 137256 |
8 | 299592 |
9 | 597870 |
10 | 1111110 |
11 | 1948716 |
12 | 3257436 |
13 | 5229042 |
14 | 8108730 |
15 | 12204240 |
16 | 17895696 |
17 | 25646166 |
18 | 36012942 |
19 | 49659540 |
20 | 67368420 |
21 | 90054426 |
22 | 118778946 |
23 | 154764792 |
24 | 199411800 |
25 | 254313150 |
26 | 321272406 |
27 | 402321276 |
28 | 499738092 |
[0,6,126,1092,5460,19530,55986,137256,299592, 597870,1111110,1948716,3257436,5229042,8108730, 12204240,17895696,25646166,36012942,49659540, 67368420,90054426,118778946,154764792,199411800, 254313150,321272406,402321276,499738092] |