|
%I #21 Feb 03 2023 04:53:56
%S 0,1,4,2,6,8,3,9,10,12,4,14,15,16,18,5,20,21,22,24,25,6,26,27,28,30,
%T 32,33,7,34,35,36,38,39,40,42,8,44,45,46,48,49,50,51,52,9,54,55,56,57,
%U 58,60,62,63,64,10,65,66,68,69,70,72,74,75,76,77
%N Triangle read by rows; n-th row begins with n and contains n nonprimes greater than n and not already used.
%e Triangle begins:
%e 0;
%e 1, 4;
%e 2, 6, 8;
%e 3, 9, 10, 12;
%e 4, 14, 15, 16, 18;
%e 5, 20, 21, 22, 24, 25;
%Y Cf. A113167.
%K nonn,tabl
%O 0,3
%A _Parthasarathy Nambi_, Feb 16 2006
%E More terms from _Sean A. Irvine_, Sep 22 2011
%E a(0)=0 inserted by _Michel Marcus_, Feb 03 2023
|
