0,3
a(n) = (A000108(n)+A073192(n))/2
Occurs for first time in A073201 as row 168.
Sequence in context: A052831 A034769 A063544 this_sequence A007719 A141268 A135527
Adjacent sequences: A073190 A073191 A073192 this_sequence A073194 A073195 A073196
nonn
Antti Karttunen Jun 25 2002
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