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1, 5, 1, 9, 10, 1, 13, 27, 15, 1, 17, 52, 54, 20, 1, 21, 85, 130, 90, 25, 25, 126, 255, 260, 135, 30, 1, 29, 175, 441, 595, 455, 189, 35, 33, 232, 700, 1176, 1190, 728, 252, 40, 1, 37, 297, 1044, 2100, 2646, 2142, 1092, 324, 45, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Row sums = A014480: (1, 6, 20, 56, 144, 352, ...).
Also 2*A134083-A007318 as infinite lower triangular matrices. - Philippe Deléham, Oct 15 2007
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LINKS
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Table of n, a(n) for n=0..52.
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EXAMPLE
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First few rows of the triangle:
1;
5, 1;
9, 10, 1;
13, 27, 15, 1;
17, 52, 54, 20, 1;
21, 85, 130, 90, 25, 1;
...
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CROSSREFS
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Cf. A134082, A014480.
Sequence in context: A182498 A147406 A147354 * A100542 A324378 A147404
Adjacent sequences: A134230 A134231 A134232 * A134234 A134235 A134236
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson, Oct 14 2007
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STATUS
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approved
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