140303

Appears in sequences

• Numbers n such that 7^n - 6 is prime.at n=23A191469
• Trajectory of 5 under repeated application of x -> A306938(x).at n=19A306943
• Sum of the prime parts in the partitions of n into 8 parts.at n=46A309469
• a(n) is the number of reducible monic quartic polynomials (x^4 + r*x^3 + s*x^2 + t*x + u) with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t), abs(u) <= n).at n=17A358399