Base 7 digital convolution sequence.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =1a(8) =2a(9) =3a(10) =4a(11) =5a(12) =6a(13) =7a(14) =2a(15) =3a(16) =4a(17) =5a(18) =6a(19) =7a(20) =8a(21) =3a(22) =4a(23) =5a(24) =6a(25) =7a(26) =8a(27) =9a(28) =4a(29) =5