Eban Numbers What number comes next in this sequence? 2, 4, 6, 30, 32, 34, 36, 40, 42, 44, 46, __ SelectClick for Answer 50 comes next. It’s a list of natural numbers whose English names lack the letter E (“e-ban numbers”). (Proposed by N.J.A. Sloane.) From the excellent puzzle page at the Online Encyclopedia of Integer Sequences. December 27, 2017December 27, 2017 | Puzzles
