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A177416
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Triangle read by rows: R(n,k)=2^A141468(n) mod prime(k).
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0
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1, 0, 2, 0, 1, 1, 0, 1, 4, 1, 0, 1, 1, 4, 3, 0, 2, 2, 1, 6, 5, 0, 1, 4, 2, 1, 10, 4, 0, 1, 1, 1, 4, 1, 16, 11, 0, 1, 4, 4, 5, 4, 13, 6, 8, 0, 2, 3, 1, 10, 8, 9, 12, 16, 27, 0, 1, 1, 2, 9, 3, 1, 5, 9, 25, 2, 0, 1, 4, 1, 3, 12, 4, 1, 13, 13, 8, 36, 0, 1, 1, 4, 1, 9, 16, 4, 6, 23, 1, 33, 1, 0, 2, 2, 1, 2, 5, 15, 8, 12, 17, 2, 29, 2, 42
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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Table of n, a(n) for n=1..105.
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EXAMPLE
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The triangle begins in row n=1 with columns 1<=k<=n as:
1,
0, 2,
0, 1, 1,
0, 1, 4, 1,
0, 1, 1, 4, 3,
0, 2, 2, 1, 6, 5,
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CROSSREFS
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Cf. A000079, A141468, A174620.
Sequence in context: A101672 A083731 A216266 * A087606 A271368 A116799
Adjacent sequences: A177413 A177414 A177415 * A177417 A177418 A177419
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KEYWORD
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nonn,tabl,easy
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AUTHOR
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Juri-Stepan Gerasimov, Dec 10 2010
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EXTENSIONS
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A 23 replaced by 33 - R. J. Mathar, Dec 13 2010
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STATUS
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approved
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