n | a(n) |
---|---|
0 | 0 |
1 | 20 |
2 | 40 |
3 | 60 |
4 | 80 |
5 | 200 |
6 | 220 |
7 | 240 |
8 | 260 |
9 | 280 |
10 | 400 |
11 | 420 |
12 | 440 |
13 | 460 |
14 | 480 |
15 | 600 |
16 | 620 |
17 | 640 |
18 | 660 |
19 | 680 |
20 | 800 |
21 | 820 |
22 | 840 |
23 | 860 |
24 | 880 |
25 | 2000 |
26 | 2020 |
27 | 2040 |
28 | 2060 |
29 | 2080 |
30 | 2200 |
31 | 2220 |
32 | 2240 |
33 | 2260 |
34 | 2280 |
35 | 2400 |
36 | 2420 |
37 | 2440 |
38 | 2460 |
39 | 2480 |
40 | 2600 |
41 | 2620 |
42 | 2640 |
43 | 2660 |
44 | 2680 |
45 | 2800 |
46 | 2820 |
47 | 2840 |
[0,20,40,60,80,200,220,240,260,280,400,420,440, 460,480,600,620,640,660,680,800,820,840,860,880, 2000,2020,2040,2060,2080,2200,2220,2240,2260,2280, 2400,2420,2440,2460,2480,2600,2620,2640,2660,2680, 2800,2820,2840] |