134122

Appears in sequences

• A generalized difference set on the set of all integers (lambda = 1).at n=28A024431
• Numbers k such that 3*10^k + 1*R_k is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=22A056704
• Expansion of 1/(1 - Sum_{k>=1} mu(k)^2*x^k), where mu(k) is the Moebius function (A008683).at n=19A280194
• Expansion of 1/((1 - x)^3 - 9*x^3)^(1/3).at n=13A376804