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A116284 n times n+9 gives the concatenation of two numbers m and m-1. 4

%I

%S 32,60,804,4778,5214,7406,48208886,51791106,77620651,4291816088,

%T 4482541430,5517458562,5708183904,9036996876,9737360643,

%U 3579205562000136225339579331,3939042613182345526485238179

%N n times n+9 gives the concatenation of two numbers m and m-1.

%Y Cf. A116153, A116278, A116283, A116293.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006

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Last modified September 28 17:43 EDT 2020. Contains 337393 sequences. (Running on oeis4.)