Indices of primes in sequence defined by A(0) = 67, A(n) = 10*A(n-1) + 27 for n > 0.

A101542

Indices of primes in sequence defined by A(0) = 67, A(n) = 10*A(n-1) + 27 for n > 0.

Terms

    a(0) =0a(1) =2a(2) =3a(3) =5a(4) =9a(5) =19a(6) =50a(7) =137a(8) =189a(9) =359a(10) =377a(11) =392a(12) =1383a(13) =1593a(14) =2758a(15) =2867a(16) =5394a(17) =7493a(18) =10490a(19) =11198a(20) =12189a(21) =33593a(22) =38255a(23) =89168a(24) =165915

External references