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A031140 as a simple table

n a(n)
1 10
2 20
3 30
4 40
5 46
6 68
7 93
8 95
9 129
10 176
11 229
12 700
13 1757
14 1958
15 7931
16 57356
17 269518
18 411658
19 675531
20 749254
21 4400728
22 18894561
23 33250486
24 58903708
25 297751737
26 325226398
27 781717865
28 18504580518
29 27893737353
30 103233492954

[10,20,30,40,46,68,93,95,129,176,229,700,1757,
 1958,7931,57356,269518,411658,675531,749254,
 4400728,18894561,33250486,58903708,297751737,
 325226398,781717865,18504580518,27893737353,
 103233492954]

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Last modified May 3 07:46 EDT 2024. Contains 372206 sequences. (Running on oeis4.)