n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 18 |
4 | 84 |
5 | 260 |
6 | 630 |
7 | 1302 |
8 | 2408 |
9 | 4104 |
10 | 6570 |
11 | 10010 |
12 | 14652 |
13 | 20748 |
14 | 28574 |
15 | 38430 |
16 | 50640 |
17 | 65552 |
18 | 83538 |
19 | 104994 |
20 | 130340 |
21 | 160020 |
22 | 194502 |
23 | 234278 |
24 | 279864 |
25 | 331800 |
26 | 390650 |
27 | 457002 |
28 | 531468 |
29 | 614684 |
30 | 707310 |
31 | 810030 |
32 | 923552 |
33 | 1048608 |
34 | 1185954 |
35 | 1336370 |
36 | 1500660 |
[0,2,18,84,260,630,1302,2408,4104,6570,10010, 14652,20748,28574,38430,50640,65552,83538,104994, 130340,160020,194502,234278,279864,331800,390650, 457002,531468,614684,707310,810030,923552,1048608, 1185954,1336370,1500660] |