p-INVERT of the positive integers, where p(S) = 1 - 3*S.

A290902

p-INVERT of the positive integers, where p(S) = 1 - 3*S.

Terms

    a(0) =3a(1) =15a(2) =72a(3) =345a(4) =1653a(5) =7920a(6) =37947a(7) =181815a(8) =871128a(9) =4173825a(10) =19997997a(11) =95816160a(12) =459082803a(13) =2199597855a(14) =10538906472a(15) =50494934505a(16) =241935766053

External references