Start with 0. Successive digits in the sequence must differ by 2. Adjoin the smallest number not yet in the sequence.

A228327

Start with 0. Successive digits in the sequence must differ by 2. Adjoin the smallest number not yet in the sequence.

Terms

    a(0) =0a(1) =2a(2) =4a(3) =6a(4) =8a(5) =64a(6) =20a(7) =24a(8) =68a(9) =642a(10) =42a(11) =46a(12) =86a(13) =420a(14) =202a(15) =424a(16) =242a(17) =464a(18) =246a(19) =468a(20) =646a(21) =864a(22) =686a(23) =868a(24) =6420a(25) =2020a(26) =2024a(27) =2420a(28) =2424a(29) =2464

External references