‌841, :‌‌‌529,  ? ‌‌289  ‌↓  ‌‌‌‌‌‌↓  ‌‌‌↓ ‌‌‌‌↓  292   232 ‌‌‌‌192 ‌172 The successive terms are squares of consecutive prime numbers, in descending order. =?=192=361