n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 10 |
6 | 15 |
7 | 21 |
8 | 28 |
9 | 36 |
10 | 45 |
11 | 55 |
12 | 66 |
13 | 78 |
14 | 91 |
15 | 105 |
16 | 136 |
17 | 210 |
18 | 231 |
19 | 300 |
20 | 406 |
21 | 435 |
22 | 465 |
23 | 561 |
24 | 630 |
25 | 666 |
26 | 703 |
27 | 861 |
28 | 903 |
29 | 1035 |
30 | 2016 |
31 | 2211 |
32 | 2556 |
33 | 3003 |
34 | 3916 |
35 | 4005 |
36 | 5151 |
37 | 6105 |
38 | 6216 |
39 | 6555 |
40 | 6786 |
41 | 8001 |
42 | 8911 |
43 | 9453 |
44 | 10011 |
45 | 10153 |
46 | 19900 |
47 | 20100 |
48 | 20910 |
49 | 23005 |
[0,1,3,6,10,15,21,28,36,45,55,66,78,91,105,136, 210,231,300,406,435,465,561,630,666,703,861,903, 1035,2016,2211,2556,3003,3916,4005,5151,6105,6216, 6555,6786,8001,8911,9453,10011,10153,19900,20100, 20910,23005] |