n | a(n) |
---|---|
7 | 1 |
8 | 7 |
9 | 28 |
10 | 84 |
11 | 210 |
12 | 462 |
13 | 924 |
14 | 1715 |
15 | 3003 |
16 | 4998 |
17 | 8008 |
18 | 12348 |
19 | 18564 |
20 | 27048 |
21 | 38759 |
22 | 54054 |
23 | 74613 |
24 | 100478 |
25 | 134596 |
26 | 176176 |
27 | 230202 |
28 | 294294 |
29 | 376740 |
30 | 471933 |
31 | 593775 |
32 | 731276 |
33 | 905982 |
34 | 1099560 |
35 | 1344903 |
36 | 1610322 |
37 | 1947792 |
38 | 2306220 |
39 | 2759757 |
40 | 3235484 |
41 | 3838380 |
[1,7,28,84,210,462,924,1715,3003,4998,8008,12348, 18564,27048,38759,54054,74613,100478,134596, 176176,230202,294294,376740,471933,593775,731276, 905982,1099560,1344903,1610322,1947792,2306220, 2759757,3235484,3838380] |