a(n) = [ (n-2)nd elementary symmetric function of {log(k)} ], k = 2,3,...,n.

Terms

a(0) =1a(1) =1a(2) =3a(3) =6a(4) =12a(5) =28a(6) =64a(7) =154a(8) =382a(9) =979a(10) =2583a(11) =6998a(12) =19421a(13) =55106a(14) =159595a(15) =471041a(16) =1414958a(17) =4320813a(18) =13399076a(19) =42157076a(20) =134459874a(21) =434427716a(22) =1420861672a(23) =4701420879