Floor of concatenation of n, n+1, n+2, n+3 divided by 4.

Terms

a(0) =30a(1) =308a(2) =586a(3) =864a(4) =1141a(5) =1419a(6) =1697a(7) =19727a(8) =222752a(9) =2275278a(10) =2527803a(11) =2780328a(12) =3032853a(13) =3285379a(14) =3537904a(15) =3790429a(16) =4042954a(17) =4295480a(18) =4548005a(19) =4800530a(20) =5053055a(21) =5305581a(22) =5558106a(23) =5810631a(24) =6063156a(25) =6315682a(26) =6568207a(27) =6820732