0,2
a(n)=(1/2)*{(n mod 5)+3*[(n+1) mod 5]+3*[(n+2) mod 5]-[(n+3) mod 5]-[(n+4) mod 5]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jan 25 2008
Adjacent sequences: A134009 A134010 A134011 this_sequence A134013 A134014 A134015
Sequence in context: A100129 A009443 A106540 this_sequence A103704 A135998 A015870
nonn
Paul Curtz (bpcrtz(AT)free.fr), Jan 10 2008
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