CONGRUENCESFORBIPARTITIONSWITHODDDESIGNATED SUMMANDS
DOI:
https://doi.org/10.56827/SEAJMMS.2023.1902.01Abstract
Andrews, Lewis andLovejoy investigatedanewclass of partitions withdesignatedsummandsbytakingordinarypartitionsandtaggingexactlyone ofeachpartsize.LetB2(n)countthenumberofbipartitionsofnwithdesignated summands inwhichall partsareodd. Inthiswork,weestablishmany infinite familiesofcongruencesmodulopowersof2and3forB2(n).Forexample, foreach n≥0andα≥0, B2 48·52α+2n+a1·52α+1 ≡0 (mod9), wherea1∈{88,136,184,232}.