SN 2024abvb: a Type Ibn/Icn supernova with evidence of helium and an extreme offset from its host galaxy. - Aster, Callum; Inserra, Cosimo; Pastorello, Andrea; Anderson, Joseph P; Bauer, Franz Erik; Bostroem, K Azalee; Chambers, Kenneth C; Chen, Ting-Wan; Farah, Joseph R; Fraser, Morgan (Monthly Notices of the Royal Astronomical Society, 2026)