data = randi(4, 1, 400);
seq = 1:6;
% if you mean the sum of that sequence you are looking for
x = sum(seq, 2);
if any(strfind(data, seq)) && sum(seq, 2) == x
disp('great success')
end
% or if you mean the sum of the whole vector:
x = sum(data, 2);
if any(strfind(data, seq)) && sum(data, 2) == x
disp('great success')
end
