138338

Appears in sequences

• a(n) = 4*n^4 + 24*n^3 + 84*n^2 + 144*n + 98.at n=12A160828
• Numbers k such that phi(k) == 2 (mod 12), where phi is the Euler totient function (A000010).at n=37A332511
• E.g.f. A(x) satisfies A'(x) = 1 + 2 * A(exp(x) - 1).at n=7A355206