|
%I #7 Jul 17 2021 01:44:38
%S 387,431,569,613,816,4523,5477,90912,316834,683166,3636366,6363634,
%T 82352944,331668334,368421055,395604393,442767756,461538464,488721802,
%U 511278198,538461536,557232244,604395607,631578945,668331666
%N Numbers k such that k*(k+1) gives the concatenation of two numbers m and m+6.
%Y Cf. A116185, A116322, A116330, A116343.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
|
