a(n) = A328613(A276086(n)).

Terms

a(0) =3a(1) =10a(2) =5a(3) =42a(4) =7a(5) =126a(6) =5a(7) =14a(8) =7a(9) =330a(10) =11a(11) =990a(12) =21a(13) =22a(14) =11a(15) =1650a(16) =91a(17) =5850a(18) =55a(19) =26a(20) =13a(21) =9750a(22) =13a(23) =29250a(24) =39a(25) =26a(26) =13a(27) =63750a(28) =17a(29) =191250