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n times n+2 gives the concatenation of two numbers m and m-5.
5

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

%S 80,8156,9800,467346,532653,998000,76450588,99980000,7801738414,

%T 8593817622,9208120792,9999800000,346667333466,401461854014,

%U 598538145985,653332666533,945207479452,999998000000,48349470735059

%N n times n+2 gives the concatenation of two numbers m and m-5.

%Y Cf. A116121, A116247, A116251, A116253, A116266.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006