Total number of palindromic primes in base 6 with n digits.

Terms

a(0) =3a(1) =1a(2) =6a(3) =0a(4) =21a(5) =0a(6) =95a(7) =0a(8) =445a(9) =0a(10) =2181a(11) =0a(12) =11496a(13) =0a(14) =59723a(15) =0a(16) =315949a(17) =0a(18) =1718494a(19) =0a(20) =9403664a(21) =0