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A104048 as a simple table

n a(n)
1 0
2 20
3 30
4 50
5 60
6 80
7 90
8 120
9 140
10 170
11 200
12 210
13 230
14 270
15 300
16 360
17 380
18 410
19 540
20 590
21 620
22 650
23 690
24 710
25 750
26 840
27 860
28 870
29 900
30 980
31 1080
32 1130
33 1200
34 1220
35 1260
36 1290
37 1310
38 1460
39 1470
40 1490
41 1500
42 1560
43 1620
44 1640
45 1770
46 1820
47 1880
48 1890
49 2010
50 2030
51 2100
52 2220
53 2240
54 2270

[0,20,30,50,60,80,90,120,140,170,200,210,230,270,
 300,360,380,410,540,590,620,650,690,710,750,840,
 860,870,900,980,1080,1130,1200,1220,1260,1290,
 1310,1460,1470,1490,1500,1560,1620,1640,1770,1820,
 1880,1890,2010,2030,2100,2220,2240,2270]

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Last modified February 26 18:29 EST 2020. Contains 332293 sequences. (Running on oeis4.)