Thank you for using the timer!
We noticed you are actually not timing your practice. Click the START button first next time you use the timer.
There are many benefits to timing your practice, including:
There is a sequence A(n) with positive integers in condition [#permalink]
11 Dec 2005, 05:37
0% (00:00) correct
0% (00:00) wrong based on 0 sessions
There is a sequence A(n) with positive integers in condition that A(n+2)=A(n+1)+A(n), when the sum of the preceding two A(i)s is even, is divided by 2 and, when the sum of the preceding two A(i)s is odd, is itself. A(5)=5, A(4)=7, what is the value of A(1) ?