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A031940 as a simple table

n a(n)
1 1
2 3
3 6
4 9
5 15
6 19
7 28
8 33
9 45
10 51
11 66
12 73
13 91
14 99
15 120
16 129
17 153
18 163
19 190
20 201
21 231
22 243
23 276
24 289
25 325
26 339
27 378
28 393
29 435
30 451
31 496
32 513
33 561
34 579
35 630
36 649
37 703
38 723
39 780
40 801
41 861
42 883
43 946
44 969
45 1035
46 1059
47 1128
48 1153
49 1225
50 1251
51 1326
52 1353
53 1431
54 1459

[1,3,6,9,15,19,28,33,45,51,66,73,91,99,120,129,
 153,163,190,201,231,243,276,289,325,339,378,393,
 435,451,496,513,561,579,630,649,703,723,780,801,
 861,883,946,969,1035,1059,1128,1153,1225,1251,
 1326,1353,1431,1459]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)