Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 9 |
4 | 144 |
5 | 765 |
6 | 2475 |
7 | 6120 |
8 | 12789 |
9 | 23814 |
10 | 40770 |
11 | 65475 |
12 | 99990 |
13 | 146619 |
14 | 207909 |
15 | 286650 |
16 | 385875 |
17 | 508860 |
18 | 659124 |
19 | 840429 |
20 | 1056780 |
21 | 1312425 |
22 | 1611855 |
23 | 1959804 |
24 | 2361249 |
25 | 2821410 |
26 | 3345750 |
27 | 3939975 |
28 | 4610034 |
29 | 5362119 |
30 | 6202665 |
31 | 7138350 |
32 | 8176095 |
33 | 9323064 |
34 | 10586664 |
[0,0,9,144,765,2475,6120,12789,23814,40770,65475, 99990,146619,207909,286650,385875,508860,659124, 840429,1056780,1312425,1611855,1959804,2361249, 2821410,3345750,3939975,4610034,5362119,6202665, 7138350,8176095,9323064,10586664] |