Parity of number of partitions of an integer

[Ralf Stephan]

Benoit Cloitre :
> http://www.ams.org/era/1995-01-01/S1079-6762-95-01005-5/S1079-6762-95-01005-5.pdf. 

Works here. Google also gives a mirror and two papers by Berndt, 
Yee, and Zaharescu, and more on other partition functions.