A hidden signal in the Ulam sequence
A hidden signal in the Ulam sequence
The Ulam sequence is a sequence of positive integers an, where a_1=1, a_2=2, and where each an for n > 2 is defined to be the smallest integer that can be expresse…
A hidden signal in the Ulam sequence
The Ulam sequence is a sequence of positive integers an, where a_1=1, a_2=2, and where each an for n > 2 is defined to be the smallest integer that can be expresse…