a(0) = 0; a(n) is obtained by incrementing each digit of a(n-1) by 3.

A061514

a(0) = 0; a(n) is obtained by incrementing each digit of a(n-1) by 3.

Terms

    a(0) =0a(1) =3a(2) =6a(3) =9a(4) =12a(5) =45a(6) =78a(7) =1011a(8) =4344a(9) =7677a(10) =1091010a(11) =43124343a(12) =76457676a(13) =10978109109

External references