p-INVERT of the positive integers, where p(S) = 1 - 6*S^2.

Terms

a(0) =0a(1) =6a(2) =24a(3) =96a(4) =408a(5) =1722a(6) =7248a(7) =30528a(8) =128592a(9) =541638a(10) =2281416a(11) =9609504a(12) =40475976a(13) =170487930a(14) =718108320a(15) =3024727680a(16) =12740386464a(17) =53663491206a(18) =226034767224a(19) =952075887072