[seqfan] : The alternating sum in A196020

Omar E. Pol info at polprimos.com
Sat Nov 16 18:10:11 CET 2013

Dear Professors,

The entry A196020 contains a conjecture:
It appears that the alternating sum of row n equals the sum of divisors of n.
Does anybody knows how to prove o disprove this conjecture?


Best regards.

Omar E. Pol

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