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A116296 Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+1. 5

%I

%S 82,77394228,89158934,36623663376237623663376336,

%T 37633762366336633762366236,62366237633663366237633762,

%U 63376336623762376336623662,86194223018927804587702129

%N Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+1.

%e 89158934 * 89158937 = 79493157//79493158, where // denotes concatenation.

%Y Cf. A116099, A116287, A116295, A116297, A116302.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006

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Last modified August 16 21:38 EDT 2022. Contains 356169 sequences. (Running on oeis4.)