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n times n+5 gives the concatenation of two numbers m and m+6.
5

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

%S 456,540,7666,72722,356430,643566,9090911,35294119,64705877,335664330,

%T 664335666,684210521,818181820,838056675,846153848,866028703,

%U 980125140,3861386140,6138613856,6916125390,9222488468,41358246491

%N n times n+5 gives the concatenation of two numbers m and m+6.

%Y Cf. A116200, A116324, A116330, A116332, A116338.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006