Generalizing Recent Results of Kathiravan, Majumdar, Sangale, and
Srinivas on (ℓ, k)-regular Partitions
Manjil P. Saikia
Mathematical and Physical Sciences Division
School of Arts and Sciences
Ahmedabad University
Navrangpura, Ahmedabad, Pin 380009
India
James A. Sellers
Department of Mathematics and Statistics
University of Minnesota Duluth
Duluth, MN 55812
USA
Abstract:
In two recent papers, Kathiravan, Srinivas, and Sangale and Kathiravan, Sangale,
and Majumdar proved several congruences satisfied by (ℓ,k)-regular partitions; that
is, partitions whose parts are not divisible by integers ℓ or k. In this short note, we
generalize some of their results, and prove two infinite family of congruences modulo 2
and one infinite family of congruences modulo 12. Our proofs involve only elementary
techniques.
Full version: pdf,
dvi,
ps,
latex
(Concerned with sequences
A000009
A000726
A001935
A035959
A187020
A219601
A273845
A318026
A328547.)
Received August 1 2025; revised versions received August 2 2025; October 17 2025.
Published in Journal of Integer Sequences,
October 19 2025.
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