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A061830 as a simple table

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]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)