Generalized Lucas-Pascal triangle; (11*10^n, 1).

Terms

a(0) =1a(1) =11a(2) =1a(3) =110a(4) =12a(5) =1a(6) =1100a(7) =122a(8) =13a(9) =1a(10) =11000a(11) =1222a(12) =135a(13) =14a(14) =1a(15) =110000a(16) =12222a(17) =1357a(18) =149a(19) =15a(20) =1a(21) =1100000a(22) =122222a(23) =13579a(24) =1506a(25) =164a(26) =16a(27) =1a(28) =11000000a(29) =1222222