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

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

%S 2,3,29,66,739,893,755004,789546,3643103,6356892,9084165,

%T 405460897734702723,416974886220714237,583025113779285758,

%U 594539102265297272,920312382883217575,931826371369229089

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

%e 9084165 * 9084171 = 8252210//8252215, where // denotes

%e concatenation.

%Y Cf. A116194, A116318, A116324, A116326, A116339.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006