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A209156
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Triangle read by rows: denominators of Stirling-like triangle of rational numbers.
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1
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1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 4, 2, 2, 1, 1, 1, 3, 3, 1, 3, 1, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,5
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REFERENCES
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Santmyer, Joseph M. A Stirling like sequence of rational numbers. Discrete Math. 171 (1997), no. 1-3, 229-235. MR1454453.
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LINKS
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Table of n, a(n) for n=1..36.
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EXAMPLE
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Triangle begins:
-1,
-1,1,
-1,3/2,-1,
-1,1,-2,1,
-1,5,-5/3,5/2,-1,
-1,1,-5,5/2,-3,1,
-1,7,-7/3,35/4,-7/2,7/2,-1,
-1,4,-28/3,7/3,-14,14/3,-4,1,...
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CROSSREFS
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Cf. A209155.
Sequence in context: A205617 A204112 A186027 * A191004 A191358 A204133
Adjacent sequences: A209153 A209154 A209155 * A209157 A209158 A209159
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KEYWORD
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nonn,tabl,more
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AUTHOR
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N. J. A. Sloane, Mar 05 2012
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STATUS
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approved
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