%I A132118
%S A132118 1,2,4,4,6,8,7,9,11,13,11,13,15,17,19,26,28,20,22,24,26,22,24,26,28,30,
%T A132118 32,34,29,31,33,35,37,39,41,43,37,39,41,43,45,47,49,51,53,46,48,50,52,
%U A132118 54,56,58,60,62,64
%N A132118 A000027 + A002260 - A000012.
%C A132118 Row sums = A002411: (1, 6, 18, 40, 75, 126,...).
%F A132118 A000027 + A002260 - A000012 as infinite lower triangular matrices; where
A000027 = [1; 2,3; 4,5,6;...]; A002260 = [1; 1,2; 1,2,3;...]; and
A000012 = [1; 1,1; 1,1,1;...].
%e A132118 First few rows of the triangle are:
%e A132118 1;
%e A132118 2, 4;
%e A132118 4, 6, 8;
%e A132118 7, 9, 11, 13;
%e A132118 11, 13, 15, 17, 19;
%e A132118 16, 18, 20, 22, 24, 26;
%e A132118 22, 24, 26, 28, 30, 32, 34;
%e A132118 29, 31, 33, 35, 37, 39 41, 43;
%e A132118 ...
%Y A132118 Cf. A002260, A000027, A000012, A002411.
%Y A132118 Sequence in context: A038669 A135692 A089003 this_sequence A007843 A053196
A159634
%Y A132118 Adjacent sequences: A132115 A132116 A132117 this_sequence A132119 A132120
A132121
%K A132118 nonn,tabl
%O A132118 1,2
%A A132118 Gary W. Adamson (qnttmpkt(AT)yahoo.com), Aug 10 2007
|