[ 4th elementary symmetric function of {log(k)} ], k = 2,3,...,n.

Terms

a(0) =1a(1) =12a(2) =54a(3) =167a(4) =422a(5) =929a(6) =1848a(7) =3398a(8) =5867a(9) =9627a(10) =15136a(11) =22960a(12) =33775a(13) =48381a(14) =67713a(15) =92851a(16) =125032a(17) =165656a(18) =216305a(19) =278744a(20) =354938a(21) =447060a(22) =557500a(23) =688879a(24) =844054a(25) =1026131