a(1) = 0; for n > 1: a(n) = smallest even number greater than a(n-1) which does not use any digit used by a(n-1).
A229363
a(1) = 0; for n > 1: a(n) = smallest even number greater than a(n-1) which does not use any digit used by a(n-1).
Terms
- a(0) =0a(1) =2a(2) =4a(3) =6a(4) =8a(5) =10a(6) =22a(7) =30a(8) =42a(9) =50a(10) =62a(11) =70a(12) =82a(13) =90a(14) =112a(15) =300a(16) =412a(17) =500a(18) =612a(19) =700a(20) =812a(21) =900a(22) =1112a(23) =3000a(24) =4112a(25) =5000a(26) =6112a(27) =7000a(28) =8112a(29) =9000
External references
- oeis: A229363