This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A152846 #6 May 03 2017 23:51:55
%S A152846 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,2,1,1,2,1,1,
%T A152846 2,1,1,2,1,1,2,1,1,2,1,1,2,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,
%U A152846 1,3,3,1,1,3,3,1,1,3,3,1,1,4,6,4,1,1,4,6,4,1,1,4,6,4,1,1,4,6,4,1,1,4,6,4,1
%N A152846 Triangle read by rows, A007318 rows repeated eight times .
%C A152846 Diagonal sums : A103376 .
%e A152846 Triangle begins : 1 ; 1 ; 1 ; 1 ; 1 ; 1 ; 1 ; 1 ; 1,1 ; 1,1 ; 1,1 ; 1,1 ; 1,1 ; 1,1 ; 1,1 ; 1,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,3,3,1 ; ...
%t A152846 Flatten[Table[#, {8}] & /@ Table[Binomial[n, k], {n, 0, 10}, {k, 0, n}]] (* _G. C. Greubel_, May 03 2017 *)
%Y A152846 Cf. A007318, A152198, A152815, A152828, A152830, A152831, A152844, A152845.
%K A152846 easy,nonn,tabf
%O A152846 0,26
%A A152846 _Philippe Deléham_, Dec 14 2008