The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A003945 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A003945

Expansion of g.f. (1+x)/(1-2*x).
(history; published version)

#130 by Michael De Vlieger at Sat Jun 01 11:56:28 EDT 2024

STATUS

proposed

approved

#129 by Michel Marcus at Sat Jun 01 11:00:50 EDT 2024

STATUS

editing

proposed

#128 by Michel Marcus at Sat Jun 01 11:00:43 EDT 2024

LINKS

Kuba, Markus; Kuba and Alois Panholzer, Alois, <a href="http://dx.doi.org/10.1016/j.disc.2012.07.011">Enumeration formulas for pattern restricted Stirling permutations</a>, Discrete Math. 312 (2012), no. 21, 3179--3194. MR2957938. - From N. J. A. Sloane, Sep 25 2012

STATUS

proposed

editing

#127 by Joerg Arndt at Sat Jun 01 10:54:30 EDT 2024

STATUS

editing

proposed

#126 by Joerg Arndt at Sat Jun 01 10:53:00 EDT 2024

FORMULA

Row sums of triangle A133084. - Gary W. Adamson, Sep 08 2007

CROSSREFS

Cf. A133084, A001787, A001045, A161175.

#125 by Joerg Arndt at Sat Jun 01 10:51:22 EDT 2024

COMMENTS

Starting (1, 3, 6, 12, ...) = INVERTi transform of A003688: (1, 4, 13, 43, ...). - Gary W. Adamson, Aug 05 2010

#124 by Jon E. Schoenfield at Wed May 29 22:44:35 EDT 2024

STATUS

proposed

editing

#123 by Jon E. Schoenfield at Wed May 29 22:44:30 EDT 2024

STATUS

editing

proposed

#122 by Jon E. Schoenfield at Wed May 29 22:44:26 EDT 2024

COMMENTS

Binomial transform is {1, 4, 13, 40, 121, 364, ...}, see A003462. -_ _Philippe Deléham_, Jul 23 2005

#121 by Michael De Vlieger at Wed May 29 22:35:08 EDT 2024

LINKS

Yasemin Alp and E. Gokcen Kocer, <a href="https://doi.org/10.1007/s00025-024-02193-5">Exponential Almost-Riordan Arrays</a>, Results Math. (2024) Vol. 79, 173.

STATUS

approved

editing