3,1
a(n) = A000040(n-2)*A000040(n-1)^2*A000040(n) = A006094(n-1)*A006094(n) = A066117(3, n)
a(3) = 2*3^2*5 = 90
Cf. A047928.
Sequence in context: A027621 A157888 A158490 this_sequence A156738 A065949 A051695
Adjacent sequences: A066113 A066114 A066115 this_sequence A066117 A066118 A066119
nonn
Henry Bottomley (se16(AT)btinternet.com), Dec 05 2001
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