<page_title> Beta-decay stable isobars </page_title> <section_title> List of known beta-decay stable isobars </section_title> <table> <cell> 124Sn → 124Te ← 124Xe <col_header> Even A </col_header> </cell> <cell> 126Te ← 126Xe <col_header> Even A </col_header> </cell> <cell> 128Te → 128Xe <col_header> Even A </col_header> </cell> <cell> 130Te → 130Xe ← 130Ba <col_header> Even A </col_header> </cell> <cell> 132Xe ← 132Ba <col_header> Even A </col_header> </cell> <cell> 134Xe → 134Ba <col_header> Even A </col_header> </cell> <cell> 136Xe → 136Ba ← 136Ce <col_header> Even A </col_header> </cell> <cell> 138Ba ← 138Ce <col_header> Even A </col_header> </cell> <cell> 142Ce → 142Nd <col_header> Even A </col_header> </cell> <cell> 144Nd (α) ← 144Sm <col_header> Even A </col_header> </cell> <cell> 146Nd → 146Sm (α) <col_header> Even A </col_header> </cell> <cell> 148Nd → 148Sm (α) ← 148Gd (α) <col_header> Even A </col_header> </cell> <cell> 150Nd → 150Sm ← 150Gd (α) <col_header> Even A </col_header> </cell> <cell> 152Sm ← 152Gd <col_header> Even A </col_header> </cell> <cell> 154Sm → 154Gd ← 154Dy (α) <col_header> Even A </col_header> </cell> </table>
From 124 to 154, six have three, and the remaining 9 have two.