|
%I #2 Mar 30 2012 17:40:40
%S 7040,487249777145,512750222847,684330069116
%N n times n+9 gives the concatenation of two numbers m and m-2.
%e 7040 * 7049 = 4962//4960, where // denotes concatenation.
%Y Cf. A116147, A116271, A116277, A116284.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
|
