40197

Appears in sequences

• Last term where no prime sums occur in A161190 in a 4-diagonal set of 24 terms.at n=22A161193
• Numbers k such that b(k) is prime, where b(1) = prime(1) = 2, b(n) = 10*b(n-1) + (prime(n) mod 10).at n=15A276481
• a(n) = (A084218(n) - 1)/12.at n=27A373040