Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 9 |
4 | 60 |
5 | 250 |
6 | 765 |
7 | 1911 |
8 | 4144 |
9 | 8100 |
10 | 14625 |
11 | 24805 |
12 | 39996 |
13 | 61854 |
14 | 92365 |
15 | 133875 |
16 | 189120 |
17 | 261256 |
18 | 353889 |
19 | 471105 |
20 | 617500 |
21 | 798210 |
22 | 1018941 |
23 | 1285999 |
24 | 1606320 |
25 | 1987500 |
26 | 2437825 |
27 | 2966301 |
28 | 3582684 |
29 | 4297510 |
30 | 5122125 |
31 | 6068715 |
32 | 7150336 |
33 | 8380944 |
34 | 9775425 |
35 | 11349625 |
36 | 13120380 |
37 | 15105546 |
38 | 17324029 |
39 | 19795815 |
40 | 22542000 |
[0,1,9,60,250,765,1911,4144,8100,14625,24805, 39996,61854,92365,133875,189120,261256,353889, 471105,617500,798210,1018941,1285999,1606320, 1987500,2437825,2966301,3582684,4297510,5122125, 6068715,7150336,8380944,9775425,11349625,13120380, 15105546,17324029,19795815,22542000] |