n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | 9 |
4 | 28 |
5 | 485 |
6 | 4866 |
7 | 83587 |
8 | 1428456 |
9 | 30190617 |
10 | 698093830 |
11 | 18258392471 |
12 | 523907661036 |
13 | 16487285529013 |
14 | 562892775847962 |
15 | 20749534387671195 |
16 | 820928954404107856 |
17 | 34705399650797034929 |
18 | 1561214366024349903246 |
19 | 74464277343448593371167 |
20 | 3753594453131028132576660 |
[0,1,0,9,28,485,4866,83587,1428456,30190617, 698093830,18258392471,523907661036,16487285529013, 562892775847962,20749534387671195, 820928954404107856,34705399650797034929, 1561214366024349903246,74464277343448593371167, 3753594453131028132576660] |