A116227 - OEIS

%I #2 Mar 30 2012 17:40:40

%S 44,53,949949,979652,7771781677,7900890078,9920892098,9949999499,

%T 38773083432315,41534158410840,47433813119406,52566186880591,

%U 58465841589157,61226916567682,72258945037433,86156896546723

%N n times n+4 gives the concatenation of two numbers m and m-9.

%Y Cf. A116096, A116226, A116228, A116235.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006