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%I #8 May 03 2017 23:51:25
%S 1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,2,1,1,2,1,1,2,1,1,3,3,1,1,3,3,1,1,3,
%T 3,1,1,3,3,1,1,4,6,4,1,1,4,6,4,1,1,4,6,4,1,1,4,6,4,1,1,5,10,10,5,1,1,
%U 5,10,10,5,1,1,5,10,10,5,1,1,5,10,10,5,1,1,6,15,20,15,6,1,1,6,15,20,15,6,1,1
%N Triangle read by rows, A007318 rows repeated four times .
%C Diagonal sums : A103372 .
%H G. C. Greubel, <a href="/A152830/b152830.txt">Table of n, a(n) for the first 50 rows, flattened</a>
%e Triangle begins : 1 ; 1 ; 1 ; 1 ; 1,1 ; 1,1 ; 1,1 ; 1,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,3,3,1 ; ...
%t Flatten[Table[#,{4}]&/@Table[Binomial[n,k],{n,0,6},{k,0,n}]] (* _Harvey P. Dale_, Sep 23 2015 *)
%Y Cf. A007318, A152198, A152815, A152828.
%K easy,nonn,tabf
%O 0,14
%A _Philippe Deléham_, Dec 13 2008
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