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A028309 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 3
4 5
5 6
6 9
7 11
8 15
9 18
10 23
11 27
12 33
13 38
14 45
15 51
16 59
17 66
18 75
19 83
20 93
21 102
22 113
23 123
24 135
25 146
26 159
27 171
28 185
29 198
30 213
31 227
32 243
33 258
34 275
35 291
36 309
37 326
38 345
39 363
40 383
41 402
42 423
43 443
44 465
45 486
46 509
47 531
48 555

[1,1,2,3,5,6,9,11,15,18,23,27,33,38,45,51,59,66,
 75,83,93,102,113,123,135,146,159,171,185,198,213,
 227,243,258,275,291,309,326,345,363,383,402,423,
 443,465,486,509,531,555]

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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