{"result":{"text":"u subscript 1 equals b comma space space u subscript n plus 1 end subscript equals open curly brackets table attributes columnalign left columnspacing 1.4ex end attributes row cell 1 third u subscript n semicolon end cell cell I f space u subscript n space i s space m u l t i p l e space o f space 3 end cell row cell u subscript n plus a semicolon end cell cell space space space space space space space space space o t h e r w i s e end cell end table close"},"status":"ok"}