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Table of n, a(n) for n=0..26.
a(n) = (A000108(n)+A073190(n))/2.
Occurs for first time in A073201 as row 1.
Sequence in context: A247333 A118974 A119020 * A173139 A148164 A213091
Adjacent sequences: A073188 A073189 A073190 * A073192 A073193 A073194
Antti Karttunen, Jun 25 2002