Repdigits in Narayana's Cows Sequence and their Consequences

Jhon J. Bravo, Pranabesh Das, Sergio Guzmán

Narayana's cows sequence satisfies the third-order linear recurrence relation $N_n=N_{n-1}+N_{n-3}$ for $n\ge 3$ with initial conditions $N_0=0$ and $N_1=N_2=1$. In this paper, w…