A032643 - OEIS

%I #11 Jul 28 2021 04:21:48

%S 2,6,14,20,24,32,48,50,66,68,78,84,108,120,128,134,146,156,162,200,

%T 210,218,224,228,254,266,270,284,290,306,312,314,318,324,330,332,344,

%U 360,378,380,390,396,402,410,438,452,456,458,476,482,492,494,510,512,540

%N Numbers k such that k concatenated with k+3 is a lucky number.

%Y Cf. A000959, A032653.

%K nonn,easy,base

%O 1,1

%A _Patrick De Geest_, May 15 1998

%E More terms from _Sascha Kurz_, Mar 24 2002