a(n) is the least period of the 5-step recurrence x(k) = (x(k-1) + x(k-2) + x(k-3) + x(k-4) + x(k-5)) mod prime(n) for initial conditions (x(0),x(1),x(2),x(3),x(4)) other than (0,0,0,0,0) in [0..prime(n)-1]^5.

A371595

a(n) is the least period of the 5-step recurrence x(k) = (x(k-1) + x(k-2) + x(k-3) + x(k-4) + x(k-5)) mod prime(n) for initial conditions (x(0),x(1),x(2),x(3),x(4)) other than (0,0,0,0,0) in [0..prime(n)-1]^5.