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a(n) = A000005(A103890(n)).
Table of n, a(n) for n=1..27.
R. Zumkeller, p(n)!/p(n )#+1
Cf. A103895, A103859.
Sequence in context: A048185 A095094 A275009 * A022868 A228405 A276824
Adjacent sequences: A103891 A103892 A103893 * A103895 A103896 A103897
Reinhard Zumkeller, Feb 20 2005