n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 7 |
6 | 21 |
7 | 49 |
8 | 98 |
9 | 177 |
10 | 296 |
11 | 465 |
12 | 698 |
13 | 1009 |
14 | 1413 |
15 | 1927 |
16 | 2569 |
17 | 3360 |
18 | 4320 |
19 | 5472 |
20 | 6840 |
21 | 8449 |
22 | 10327 |
23 | 12501 |
24 | 15001 |
25 | 17858 |
26 | 21105 |
27 | 24776 |
28 | 28905 |
29 | 33530 |
30 | 38689 |
31 | 44421 |
32 | 50767 |
33 | 57769 |
34 | 65472 |
35 | 73920 |
[0,0,0,0,1,7,21,49,98,177,296,465,698,1009,1413, 1927,2569,3360,4320,5472,6840,8449,10327,12501, 15001,17858,21105,24776,28905,33530,38689,44421, 50767,57769,65472,73920] |