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A108108 as a simple table

n a(n)
1 0
2 20
3 54
4 66
5 104
6 140
7 194
8 204
9 210
10 260
11 264
12 276
13 360
14 390
15 546
16 570
17 600
18 794
19 836
20 846
21 860
22 986
23 1086
24 1140
25 1146
26 1160
27 1254
28 1260
29 1284
30 1296
31 1350
32 1436
33 1440
34 1454
35 1506
36 1650
37 1706
38 1736
39 1770
40 1814
41 1826
42 1860
43 1904
44 1970

[0,20,54,66,104,140,194,204,210,260,264,276,360,
 390,546,570,600,794,836,846,860,986,1086,1140,
 1146,1160,1254,1260,1284,1296,1350,1436,1440,1454,
 1506,1650,1706,1736,1770,1814,1826,1860,1904,1970]

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Last modified August 21 04:54 EDT 2019. Contains 326162 sequences. (Running on oeis4.)