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A143981 as a simple table

n a(n)
1 1
2 3
3 6
4 9
5 15
6 19
7 26
8 36
9 46
10 59
11 80
12 100
13 128
14 167
15 211
16 267
17 341
18 429
19 541
20 682
21 850
22 1063
23 1327
24 1647
25 2035
26 2520
27 3100
28 3810
29 4669
30 5708
31 6955
32 8468
33 10267
34 12441
35 15026
36 18120
37 21788
38 26175
39 31355
40 37510
41 44769
42 53362
43 63460
44 75384
45 89348

[1,3,6,9,15,19,26,36,46,59,80,100,128,167,211,267,
 341,429,541,682,850,1063,1327,1647,2035,2520,3100,
 3810,4669,5708,6955,8468,10267,12441,15026,18120,
 21788,26175,31355,37510,44769,53362,63460,75384,
 89348]

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Last modified April 20 00:26 EDT 2024. Contains 371798 sequences. (Running on oeis4.)