Total number of restricted right truncatable primes in base n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =11a(5) =7a(6) =20a(7) =23a(8) =27a(9) =28a(10) =61a(11) =61a(12) =153a(13) =130a(14) =151a(15) =157a(16) =301a(17) =343a(18) =561a(19) =806a(20) =1046a(21) =615a(22) =1227a(23) =2136a(24) =2472a(25) =2288a(26) =3685a(27) =2110a(28) =5241a(29) =4798