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%I #8 Mar 30 2012 18:52:04
%S 2,2,1,3,1,3,1,3,1,3,1,1,4,1,1,4,1,1,4,1,1,4,1,1,4,1,1,4,1,1,1,5,1,1,
%T 1,5,1,1,1,5,1,1,1,5,1,1,1,5,1,1,1,5,1,1,1,5,1,1,1,5,1,1,1,1,6,1,1,1,
%U 1,6,1,1,1,1,6,1,1,1,1,6,1,1,1,1,6,1,1,1,1,6,1,1,1,1,6,1,1,1,1,6,1,1,1,1,6
%N Irregular array with the first differences of row A167384(n,.) in row n.
%C The left column has 2 two's, 4 three's, 6 four's,... ,2*k-2 k's.
%C Entries in the remaining columns are all 1.
%C If one looks at the flattened sequence (2), (2), (1,3), (1,3), (1,3),.. in blocks of 1, 1, 2, 2, 2,.. , A000194(k) terms, the sum of entries in the subsequence in block number k is A001670(k).
%e 2;
%e 2, 1;
%e 3, 1;
%e 3, 1;
%e 3, 1;
%e 3, 1, 1;
%e 4, 1, 1;
%e 4, 1, 1;
%e 4, 1, 1;
%e 4, 1, 1;
%e 4, 1, 1;
%e 4, 1, 1, 1;
%e 5, 1, 1, 1;
%e 5, 1, 1, 1;
%e 5, 1, 1, 1;
%e 5, 1, 1, 1;
%e 5,...
%Y Cf. A167381.
%K nonn,tabf
%O 0,1
%A _Paul Curtz_, Nov 03 2009
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