Numbers of the form (10^i)*(11^j), with i, j >= 0.

Terms

a(0) =1a(1) =10a(2) =11a(3) =100a(4) =110a(5) =121a(6) =1000a(7) =1100a(8) =1210a(9) =1331a(10) =10000a(11) =11000a(12) =12100a(13) =13310a(14) =14641a(15) =100000a(16) =110000a(17) =121000a(18) =133100a(19) =146410a(20) =161051a(21) =1000000a(22) =1100000a(23) =1210000a(24) =1331000a(25) =1464100a(26) =1610510a(27) =1771561a(28) =10000000a(29) =11000000