a(n) = A276086(A328623(n)).

Terms

a(0) =1a(1) =2a(2) =9a(3) =18a(4) =3a(5) =6a(6) =125a(7) =250a(8) =1125a(9) =2250a(10) =375a(11) =750a(12) =5a(13) =10a(14) =45a(15) =90a(16) =15a(17) =30a(18) =625a(19) =1250a(20) =5625a(21) =11250a(22) =1875a(23) =3750a(24) =25a(25) =50a(26) =225a(27) =450a(28) =75a(29) =150