n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 6 |
3 | 12 |
4 | 24 |
5 | 40 |
6 | 72 |
7 | 126 |
8 | 240 |
9 | 468 |
10 | 960 |
11 | 2002 |
12 | 4248 |
13 | 9048 |
14 | 19320 |
15 | 41190 |
16 | 87648 |
17 | 185980 |
18 | 393552 |
19 | 830490 |
20 | 1748040 |
21 | 3670464 |
22 | 7690056 |
23 | 16078702 |
24 | 33555024 |
25 | 69905700 |
26 | 145403232 |
27 | 301990626 |
28 | 626350200 |
29 | 1297438888 |
30 | 2684355480 |
31 | 5547667062 |
32 | 11453247168 |
33 | 23622321228 |
34 | 48676297200 |
35 | 100215904810 |
[0,2,6,12,24,40,72,126,240,468,960,2002,4248,9048, 19320,41190,87648,185980,393552,830490,1748040, 3670464,7690056,16078702,33555024,69905700, 145403232,301990626,626350200,1297438888, 2684355480,5547667062,11453247168,23622321228, 48676297200,100215904810] |