hello
see below
Nb : matlab is not a zero based indexing language , so first index is 1 instead of 0
%% initialisation
n = 5;
N = zeros(n,n);
N(1,1:n) = 1; % (all N(i,0) = 1)
%% main loop
for p = 2:n
ind_i = 1:1+n-p; % index of i is function of p (it reduces as index p increases)
N(p,ind_i) = N(p-1,ind_i) + N(p-1,ind_i+1);
end
% display lines in reversed order
N = N(n:-1:1,:)
