n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 2 |
4 | 9 |
5 | 30 |
6 | 84 |
7 | 202 |
8 | 437 |
9 | 872 |
10 | 1627 |
11 | 2874 |
12 | 4853 |
13 | 7882 |
14 | 12383 |
15 | 18902 |
16 | 28130 |
17 | 40934 |
18 | 58391 |
19 | 81812 |
20 | 112790 |
21 | 153238 |
22 | 205430 |
23 | 272054 |
24 | 356270 |
25 | 461754 |
26 | 592774 |
27 | 754252 |
28 | 951831 |
29 | 1191956 |
30 | 1481962 |
31 | 1830144 |
32 | 2245867 |
33 | 2739658 |
34 | 3323305 |
35 | 4009972 |
36 | 4814323 |
37 | 5752624 |
38 | 6842893 |
[0,0,0,2,9,30,84,202,437,872,1627,2874,4853,7882, 12383,18902,28130,40934,58391,81812,112790,153238, 205430,272054,356270,461754,592774,754252,951831, 1191956,1481962,1830144,2245867,2739658,3323305, 4009972,4814323,5752624,6842893] |