81213

Appears in sequences

• Indices of primes in sequence defined by A(0) = 77, A(n) = 10*A(n-1) - 3 for n > 0. Numbers n such that (690*10^n + 3)/9 is prime.at n=11A056260
• a(n) = n!*Sum_{k=0..n} Fibonacci(k)/k!.at n=8A111139