149712domain: NAppears in sequencesa(n) = phi(Padovan(n+4)).at n=46A107797Number of n X 1 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it, modulo 4.at n=13A239333Number of n-length words on {0,1,2} in which 0 appears only in runs of length 2.at n=14A255115