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A209156
Triangle read by rows: denominators of Stirling-like triangle of rational numbers.
1
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
OFFSET
1,5
LINKS
Joseph M. Santmyer, A Stirling like sequence of rational numbers, Discrete Math. 171 (1997), no. 1-3, 229-235. MR1454453.
EXAMPLE
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,...
CROSSREFS
Cf. A209155.
Sequence in context: A359250 A322482 A231071 * A329325 A341149 A191004
KEYWORD
nonn,frac,tabl,more
AUTHOR
N. J. A. Sloane, Mar 05 2012
STATUS
approved