n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 10 |
6 | 15 |
7 | 20 |
8 | 26 |
9 | 33 |
10 | 41 |
11 | 50 |
12 | 60 |
13 | 70 |
14 | 81 |
15 | 93 |
16 | 106 |
17 | 120 |
18 | 135 |
19 | 150 |
20 | 166 |
21 | 183 |
22 | 201 |
23 | 220 |
24 | 240 |
25 | 260 |
26 | 281 |
27 | 303 |
28 | 326 |
29 | 350 |
30 | 375 |
31 | 400 |
32 | 426 |
33 | 453 |
34 | 481 |
35 | 510 |
36 | 540 |
37 | 570 |
38 | 601 |
39 | 633 |
40 | 666 |
41 | 700 |
42 | 735 |
43 | 770 |
44 | 806 |
45 | 843 |
46 | 881 |
[0,0,1,3,6,10,15,20,26,33,41,50,60,70,81,93,106, 120,135,150,166,183,201,220,240,260,281,303,326, 350,375,400,426,453,481,510,540,570,601,633,666, 700,735,770,806,843,881] |