n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 40 |
5 | 190 |
6 | 1050 |
7 | 6620 |
8 | 46800 |
9 | 365300 |
10 | 3103100 |
11 | 28269800 |
12 | 271627200 |
13 | 2691559000 |
14 | 26495469000 |
15 | 238131478000 |
16 | 1394099824000 |
17 | -15194495654000 |
18 | -936096296850000 |
19 | -29697351895900000 |
20 | -819329864480400000 |
21 | -21683886333440500000 |
22 | -570263312237604700000 |
23 | -15145164178973569000000 |
24 | -409583160925827252000000 |
[0,1,3,10,40,190,1050,6620,46800,365300,3103100, 28269800,271627200,2691559000,26495469000, 238131478000,1394099824000,-15194495654000, -936096296850000,-29697351895900000, -819329864480400000,-21683886333440500000, -570263312237604700000,-15145164178973569000000, -409583160925827252000000] |