Find the next number that fits the pattern:
73, 61, 56, 62, ?
54
Explanation:
s(n) = s(n-1) - [(first digit of s(n-1) - last digit of s(n-1)) * last digit of (s-1)]
61 = 73 - ( (7 - 3) * 3)
56 = 61 - ( (6 - 1) * 1)
62 = 56 - ( (5 - 6) * 6)
54 = 62 - ( (6 - 2) * 2)
See Also