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Infinite Families of Divisibility Properties Modulo 4 for Non-Squashing Partitions into Distinct Parts

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Published/Copyright: August 31, 2009
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Integers
From the journal Volume 9 Issue 4

Abstract

In 2005, Sloane and Sellers defined a function b(n) which denotes the number of non-squashing partitions of n into distinct parts. In their 2005 paper, Sloane and Sellers also proved various congruence properties modulo 2 satisfied by b(n). In this note, we extend their results by proving two infinite families of congruence properties modulo 4 for b(n). In particular, we prove that for all k ≥ 3 and all n ≥ 0,

b(22k+1n + 22k–2) ≡ 0 (mod 4) and

b(22k+1n + 3 · 22k–2 + 1) ≡ 0 (mod 4).

Received: 2008-12-15
Accepted: 2009-05-02
Published Online: 2009-08-31
Published in Print: 2009-September

© de Gruyter 2009

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