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A031426 as a simple table

n a(n)
1 2
2 6
3 12
4 20
5 28
6 30
7 41
8 42
9 55
10 56
11 72
12 89
13 90
14 110
15 126
16 130
17 131
18 132
19 155
20 156
21 177
22 180
23 182
24 209
25 210
26 240
27 269
28 270
29 272
30 299
31 303
32 305
33 306
34 342
35 368
36 372
37 377
38 380
39 418
40 420
41 451
42 458
43 462
44 497
45 504
46 505
47 506
48 552
49 590
50 600
51 646
52 648

[2,6,12,20,28,30,41,42,55,56,72,89,90,110,126,130,
 131,132,155,156,177,180,182,209,210,240,269,270,
 272,299,303,305,306,342,368,372,377,380,418,420,
 451,458,462,497,504,505,506,552,590,600,646,648]

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Last modified May 15 20:15 EDT 2021. Contains 343920 sequences. (Running on oeis4.)