n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 5 |
4 | 15 |
5 | 35 |
6 | 75 |
7 | 140 |
8 | 259 |
9 | 435 |
10 | 735 |
11 | 1155 |
12 | 1841 |
13 | 2765 |
14 | 4200 |
15 | 6125 |
16 | 8975 |
17 | 12731 |
18 | 18179 |
19 | 25235 |
20 | 35180 |
21 | 48055 |
22 | 65681 |
23 | 88299 |
24 | 118895 |
25 | 157690 |
26 | 209230 |
27 | 274510 |
28 | 359779 |
29 | 466970 |
30 | 605740 |
31 | 778860 |
32 | 1000462 |
33 | 1276044 |
34 | 1624845 |
35 | 2056355 |
36 | 2598855 |
37 | 3265851 |
38 | 4097763 |
39 | 5117350 |
[0,1,5,15,35,75,140,259,435,735,1155,1841,2765, 4200,6125,8975,12731,18179,25235,35180,48055, 65681,88299,118895,157690,209230,274510,359779, 466970,605740,778860,1000462,1276044,1624845, 2056355,2598855,3265851,4097763,5117350] |