149139

Appears in sequences

• List of pairs of primes in reverse order, starting at 1.at n=17A007796
• Numbers k such that k and k^2 use only the digits 1, 2, 3, 4 and 9.at n=23A136972
• a(n) = 729*n^2 - 1016*n + 354.at n=14A157665