The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A209155 Triangle read by rows: numerators of Stirling-like triangle of rational numbers. 1
 -1, -1, 1, -1, 3, -1, -1, 1, -2, 1, -1, 5, -5, 5, -1, -1, 1, -5, 5, -3, 1, -1, 7, -7, 35, -7, 7, -1, -1, 4, -28, 7, -14, 14, -4, 1 (list; table; graph; refs; listen; history; text; internal format)
 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. A209156. Sequence in context: A030369 A298667 A226166 * A082062 A030370 A100808 Adjacent sequences: A209152 A209153 A209154 * A209156 A209157 A209158 KEYWORD sign,frac,tabl,more AUTHOR N. J. A. Sloane, Mar 05 2012 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified February 2 02:30 EST 2023. Contains 359997 sequences. (Running on oeis4.)