Integer Sequences Connected with Extensions of the Bell Polynomials
Pierpaolo Natalini
Università degli Studi Roma Tre
Dipartimento di Matematica e Fisica
Largo San Leonardo Murialdo, 1
00146 - Roma
Italy
Paolo Emilio Ricci
International Telematic University UniNettuno
Corso Vittorio Emanuele II, 39
00186 - Roma
Italy
Abstract:
The Encyclopedia of Integer Sequences includes some sequences that are
connected with the Bell numbers and that have a particular
combinatorial meaning. In this article, we find a general meaning for
framing sequences, including the above mentioned ones. Furthermore, by
using Laguerre-type derivatives, we derive the Laguerre-type Bell
numbers of higher order, showing, as a by-product, that it is possible
to construct new integer sequences which are not included in the
Encyclopedia.
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(Concerned with sequences
A000326
A005945
A144150.)
Received March 13 2017; revised versions received August 24 2017;
September 20 2017.
Published in Journal of Integer Sequences, October 29 2017.
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