A074994 Floor of concatenation of n, n+1, n+2, n+3 divided by 4.
30, 308, 586, 864, 1141, 1419, 1697, 19727, 222752, 2275278, 2527803, 2780328, 3032853, 3285379, 3537904, 3790429, 4042954, 4295480, 4548005, 4800530, 5053055, 5305581, 5558106, 5810631, 6063156, 6315682, 6568207, 6820732
Offset: 0
Examples
a(7) = floor(78910/4) = 19727.
Extensions
Edited by Dean Hickerson, Nov 03 2002