Hello SeqFans, ... the above described seq may exist already -- but I cannot find it. It begins (not sure) with: 67, 69, 76, 96,... SIXTY-SEVEN <-> SEVENTY-SIX SIXTY-NINE <-> NINETY-SIX SEVENTY-SIX <-> SIXTY-SEVEN NINETY-SIX <-> NINETY-SIX ... Best, É.