a(n) = A324543(2*A000040(n)).

Terms

a(0) =3a(1) =2a(2) =5a(3) =2a(4) =16a(5) =20a(6) =48a(7) =2a(8) =288a(9) =278a(10) =688a(11) =260a(12) =2736a(13) =4136a(14) =19024a(15) =2a(16) =43696a(17) =88976a(18) =174768a(19) =61700a(20) =1003088a(21) =853928a(22) =2796208a(23) =264200a(24) =15458560a(25) =15515024a(26) =76835312a(27) =15790340a(28) =191089888a(29) =420297968