1,2
a(n)=a(n-1)+A001159(n)= Sum_{sigma_4(j); j=1..n} where sigma_4(j)=A001159(j)
A001159, A064607.
Sequence in context: A044650 A008920 A087638 this_sequence A140198 A107600 A008528
Adjacent sequences: A064601 A064602 A064603 this_sequence A064605 A064606 A064607
nonn
Labos E. (labos(AT)ana.sote.hu), Sep 24 2001
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