Floor[ concatenation of n+2, n+1 and n divided by 3 ].

Terms

a(0) =70a(1) =107a(2) =144a(3) =181a(4) =218a(5) =255a(6) =292a(7) =329a(8) =366a(9) =3703a(10) =40370a(11) =43737a(12) =47104a(13) =50471a(14) =53838a(15) =57205a(16) =60572a(17) =63939a(18) =67306a(19) =70673a(20) =74040a(21) =77407a(22) =80774a(23) =84141a(24) =87508a(25) =90875a(26) =94242a(27) =97609a(28) =100976a(29) =104343