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Two related sequences (Posted on 2015-12-30) Difficulty: 2 of 5

Rules for a(n):
No number appears more than once in the sequence.
The first term (0) is divisible by 1
Each additional term is the smallest positive integer available that makes the sum of the first n terms divisible by n.

Create a new sequence b(n) by the same rules but beginning with b(1)=1.

[1] Prove b(n)=a(n)+1 for all n.

[2] Prove if b(n)=m then b(m)=n

No Solution Yet Submitted by Jer    
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