a(n) is the smallest number whose American English name contains n distinct letters of the alphabet; 3 <= n <= 23.

A168137

a(n) is the smallest number whose American English name contains n distinct letters of the alphabet; 3 <= n <= 23.

Terms

    a(0) =1a(1) =0a(2) =8a(3) =13a(4) =14a(5) =25a(6) =24a(7) =74a(8) =112a(9) =127a(10) =125a(11) =165a(12) =265a(13) =1265a(14) =2568a(15) =12468a(16) =1002568a(17) =1001002568

External references