a(0) = 0; a(n) is obtained by incrementing each digit of a(n-1) by 2.

A061513

a(0) = 0; a(n) is obtained by incrementing each digit of a(n-1) by 2.

Terms

    a(0) =0a(1) =2a(2) =4a(3) =6a(4) =8a(5) =10a(6) =32a(7) =54a(8) =76a(9) =98a(10) =1110a(11) =3332a(12) =5554a(13) =7776a(14) =9998a(15) =11111110a(16) =33333332a(17) =55555554a(18) =77777776a(19) =99999998

External references