%I #4 Jun 09 2023 21:37:45

%S 100,100,99,96,95,90,84,80,72,70,66,60,52,42,30,16,0

%N Count backwards from 100 in steps modulo n.

%F a(n) = a(n-1)-(a(n-1 mod n), a(1)=100.

%e a(4) = 96 because a(3) = 99, 99 == 3 mod 4 and a(4) = 99 - 3 = 96.

%Y Cf. A115020.

%K easy,fini,full,nonn

%O 1,1

%A _Zak Seidov_, Feb 28 2006