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1, 2, 5, 6, 9, 11, 12, 13, 14, 15, 21, 22, 23, 24, 26, 27, 28, 29, 30, 31, 32, 33, 40, 43, 44, 45, 46, 47, 48, 49, 50, 51, 57, 58, 59, 60, 61, 62, 67, 68, 69, 70, 75, 76, 77, 78, 85, 89, 90, 91, 92, 93, 94, 95, 100, 101, 102, 103, 104, 105, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 139
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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EXAMPLE
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Table of values at powers of 2, from Rémy Sigrist, Apr 25 2020:
k a(2^k)
-- ------
0 1
1 2
2 6
3 13
4 27
5 51
6 119
7 248
8 535
9 1311
10 2994
11 6838
12 15945
13 36740
14 83716
15 186184
16 427070
17 971213
18 2203026
19 4964477
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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