134139

Appears in sequences

• Lucky numbers that are decimal concatenations of n with n + 5.at n=9A032655
• Numbers k such that k^3 divides 14^(k^2) + 1.at n=31A177814
• Expansion of Sum_{i>=1} mu(i)^2*x^i/(1 - x^i) * Product_{j>=i} 1/(1 - mu(j)^2*x^j), where mu() is the Moebius function (A008683).at n=45A284829
• Numbers k such that k^2 divides 14^k + 1.at n=15A292339