cp's OEIS Frontend

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.

A130167 Another version of triangle in A127743.

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%I A130167 #9 Jan 26 2020 21:04:45
%S A130167 1,0,1,0,1,1,0,2,2,1,0,6,5,3,1,0,22,16,9,4,1,0,92,60,31,14,5,1,0,426,
%T A130167 252,120,52,20,6,1,0,2146,1160,510,209,80,27,7,1,0,11624,5776,2348,
%U A130167 904,335,116,35,8,1,0,67146,30832,11610,4184,1481,507,161,44,9,1
%N A130167 Another version of triangle in A127743.
%C A130167 Triangle T(n,k), 0 <= k <= n, read by rows given by [0,1,1,2,1,3,1,4,1,5,1,6,1,...] DELTA [1,0,0,0,0,0,0,...] where DELTA is the operator defined in A084938.
%C A130167 Modulo 2, this sequence gives A106344. - _Philippe Deléham_, Dec 18 2008
%C A130167 A154380*A130595 as infinite lower triangular matrices. - _Philippe Deléham_, Jan 13 2009
%F A130167 Sum_{k=0..n} T(n,k) = A000110(n).
%e A130167 Triangle begins:
%e A130167   1;
%e A130167   0,  1;
%e A130167   0,  1,  1;
%e A130167   0,  2,  2,  1;
%e A130167   0,  6,  5,  3,  1;
%e A130167   0, 22, 16,  9,  4,  1;
%e A130167   0, 92, 60, 31, 14,  5,  1; ...
%Y A130167 Cf. A074664.
%K A130167 nonn,tabl
%O A130167 0,8
%A A130167 _Philippe Deléham_, Aug 03 2007