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%I #5 Dec 15 2017 17:36:23
%S 0,0,0,0,1,2,1,2,2,2,3,3,4,4,4,2,4,4,4,7,5,4,6,5,7,6,8,7,6,9,7,8,9,8,
%T 9,9,8,10,10,10,10,10,12,11,9,12,11,11,14,10,14,14,13,14,13,13,14,16,
%U 15,13,16,15,17,17,15,18,14,17,16,19,18,19,15,20,19,18,20,20,18,20,21,22
%N Write the numbers 1, 2, ... in a triangle with n terms in the n-th row; a(n) = number of abundant integers in n-th row.
%e Triangle begins
%e 1 (0 abundant)
%e 2 3 (0 abundant)
%e 4 5 6 (0 abundant)
%e 7 8 9 10 (0 abundant)
%e 11 12 13 14 15 (1 abundant)
%e 16 17 18 19 20 21 (2 abundant)
%e 22 23 24 25 26 27 28 (1 abundant)
%Y Cf. A005101.
%K easy,nonn
%O 1,6
%A _Jason Earls_, Jun 08 2003
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