1,1
a(1)=8 is a term because 8th semiprime (i.e. 22)== 6 (mod 8).
Cf. A001358.
Sequence in context: A060809 A112547 A015657 this_sequence A167303 A025634 A038288
Adjacent sequences: A106128 A106129 A106130 this_sequence A106132 A106133 A106134
hard,more,nonn
Shyam Sunder Gupta (guptass(AT)rediffmail.com), May 07 2005
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