a(n) = A014486(A122234(n)).

Terms

a(0) =44a(1) =216a(2) =968a(3) =3860a(4) =16132a(5) =62064a(6) =247236a(7) =1044612a(8) =4073156a(9) =16161828a(10) =64513624a(11) =253336008a(12) =1046901060a(13) =4267950372a(14) =16347521428a(15) =68075401492a(16) =268150646664