A117326
formatted as a simple table:
n
a(n)
1
13
2
17
3
18
4
20
5
21
6
27
7
28
8
30
9
32
10
41
11
42
12
43
13
46
14
47
15
49
16
53
17
55
18
56
19
58
20
59
21
63
22
69
23
72
24
75
25
81
[13,17,18,20,21,27,28,30,32,41,42,43,46,47,49,53, 55,56,58,59,63,69,72,75,81]
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Maintained by
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(
njas@research.att.com
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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.
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