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a(p) should be 1 instead of 0 when p is an odd prime.
Table of n, a(n) for n=1..23.
Sequence in context: A098035 A079055 A122170 * A141198 A231204 A180987
Adjacent sequences: A066026 A066027 A066028 * A066030 A066031 A066032
Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Dec 11 2001