Parity of number of partitions of an integer

Ralf Stephan ralf at
Thu Sep 4 16:49:05 CEST 2003

Brendan wrote 
> Is there a formula for the parity of the number of partitions
> of an integer?  It is A040051.

Interestingly, this seems identical to the parity of the first differences
of A027349 (part. into distinct odd parts >=1).


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