n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 90 |
4 | 630 |
5 | 2520 |
6 | 7560 |
7 | 18900 |
8 | 41580 |
9 | 83160 |
10 | 154440 |
11 | 270270 |
12 | 450450 |
13 | 720720 |
14 | 1113840 |
15 | 1670760 |
16 | 2441880 |
17 | 3488400 |
18 | 4883760 |
19 | 6715170 |
20 | 9085230 |
21 | 12113640 |
22 | 15939000 |
23 | 20720700 |
24 | 26640900 |
25 | 33906600 |
26 | 42751800 |
27 | 53439750 |
28 | 66265290 |
29 | 81557280 |
30 | 99681120 |
31 | 121041360 |
32 | 146084400 |
[0,0,0,90,630,2520,7560,18900,41580,83160,154440, 270270,450450,720720,1113840,1670760,2441880, 3488400,4883760,6715170,9085230,12113640,15939000, 20720700,26640900,33906600,42751800,53439750, 66265290,81557280,99681120,121041360,146084400] |